- of or like a protonotary, a principle law clerk in certain courts of law
- of or like a protoplanet
- of or like a protostele
- of or like a proverb
- of or like a pseudocarp
- of or like a pseudomorph
- of or like a pseudopod
- of or like a psilophyte, a kind of extinct plant
- of or like a pteridophyte, a fern
- of or like a puritan
- of or like a pycnogonid, a sea-spider
- of or like a pyramid
- of or like a pyritohedron, a pentagonal dodecahedron
- of or like a quincunx
- of or like a quodlibet
- of or like a receptacle
- of or like a red deer
- of or like a revolution
- of or like a rhachis, the spine or axis of a feather
- of or like a rhapsody
- of or like a rhapsody, a free instrumental composition in one extended movement
- of or like a rhizocarp
- of or like a rhizocephalan, a cirripede parasitic on crabs
- of or like a Sabbatarian, one who keeps the Sabbath strictly
- of or like a sacrament
- of or like a sacrifice
- of or like a salmon
- of or like a sansculotte
- of or like a sarcoma
- of or like a schizocarp, a compound fruit splitting into several one-seeded ones
- of or like a schizomycete, any microscopic organism of the class Schizomycetes
- of or like a schizophyte, an obsolete grouping of organisms that multiply only by fission
- of or like a schizopod
- of or like a sclerotium
- of or like a scorpion
- of or like a sepulchre
- of or like a servitor
- of or like a shark
- of or like a sheep
- of or like a siderophile, an element with an affinity for iron
- of or like a sister
- of or like a skeuomorph
- of or like a slave
- of or like a somatopleure
- of or like a sophomore
- of or like a spectre
- of or like a spermaphyte
- of or like a spermatoblast, a sperm-producing cell
- of or like a spermatozoon, a male sex cell
- of or like a spore
- of or like a sporocyst
- of or like a sporophore
- of or like a stalactite
- of or like a stalagmite
- of or like a stegosaur, a herbivorous dinosaur of the Jurassic period
- of or like a stemma
- of or like a stereobate, a substructure foundation
- of or like a stereoisomer
- of or like a stereotype
- of or like a strabismus, a squint
- of or like a strobile; bearing strobiles
- of or like a stroboscope, an instrument for studying motion using flashes of light
- of or like a stroma, the connective tissue or supporting framework of an organ
- of or like a subfeu
- of or like a superhelix
- of or like a sycon
- of or like a sycophant
- of or like a syllogism
- of or like a synoptist, one of the writers of the Synoptic Gospels
- of or like a syntagma
- of or like a tabernacle
- of or like a tegument
- of or like a telegram
- of or like a teleutospore, a thick-walled winter spore of the rust fungi
- of or like a tempest
- of or like a tetramer, a polymer consisting of four identical isomers
- of or like a tetraspore
- of or like a tetrastich
- of or like a threnody, an ode of lamentation
- of or like a tiger
- of or like a tragedy
- of or like a treponema, a kind of bacterium
- of or like a tribrach
- of or like a trichocyst, a lasso cell
- of or like a trichogyne
- of or like a trichomonad, a kind of flagellate protozoans
- of or like a triglyph
- of or like a trophoblast
- of or like a trypanosome
- of or like a uroboros
- of or like a verbalist
- of or like a vestiment
- of or like a vicissitude
- of or like a village
- of or like a vinculum
- of or like a violinist
- of or like a visitor
- of or like a vulgar, noisy tripper
- of or like albumen
- of or like an anchoret
- of or like an animal
- of or like an ant or ants
- of or like an antennule
- of or like an anticline
- of or like an antilogarithm, a number of which a given number is the logarithm
- of or like an appellation
- of or like an archetype
- of or like an aril
- of or like an aunt
- of or like an elapid
- of or like an electromer, a substance showing electromerism
- of or like an empire or emperor
- of or like an enantiomer
- of or like an enantiomorph
- of or like an encrinite, a fossil crinoid
- of or like an endophyte, an endoparasitic plant
- of or like an enterocoele
- of or like an enteropneust
- of or like an enterovirus
- of or like an entophyte, a vegetable parasite subsisting in the interior of the body
- of or like an ephemerid, an insect of the mayfly family
- of or like an epigram
- of or like an epiphany
- of or like an episome
- of or like an epistle
- of or like an ergatomorph, an ergatoid ant
- of or like an essayist
- of or like an exopodite, the outer branch of a crustacean limb
- of or like an ideogram
- of or like an idiolect, a distinctive individual form of speech
- of or like an illusion
- of or like an imprecation
- of or like an improvisator
- of or like an incantation
- of or like an individualist
- of or like an inflorescence, a cluster of flowers
- of or like an infrastructure
- of or like an inquisitor
- of or like an inspector
- of or like an integument
- of or like an interambulacrum
- of or like an intertext
- of or like an intron
- of or like an isallobar
- of or like an isopleth, a line connecting points of equal aspect of climate
- of or like an isoprene, a hydrocarbon of the terpene group
- of or like an oar
- of or like an ocelot
- of or like an octopus
- of or like an odontophore, the rasping apparatus in molluscs
- of or like an odyssey
- of or like an oleoresin
- of or like an oligarchy
- of or like an oligomer
- of or like an ombrophobe, a plant thriving only in desert conditions
- of or like an oracle
- of or like an orator
- of or like an osteoblast
- of or like an osteoclast, an instrument used to break bones
- of or like an osteoderm
- of or like an osteogen
- of or like an otary, an eared seal
- of or like antimetabole, repetition of words or ideas in different order
- of or like aragonite, an orthorhombic mineral composed of calcium carbonate
- of or like bombycids
- of or like diallage, a mineral, a brown, green or grey form of augite
- of or like diarrhoea
- of or like disillusion
- of or like drama
- of or like enhydrite, a mineral with fluid inclusions
- of or like enhypostasia, substantial or personal existence
- of or like erythrite, a reddish hydrous arsenate of cobalt
- of or like euthanasia
- of or like feudalism
- of or like fish
- of or like fruit
- of or like gabbro
- of or like gas
- of or like gavials
- of or like grains
- of or like graphite
- of or like haematoblast, a blood platelet
- of or like heaven
- of or like hematoblast, a blood platelet
- of or like hemp
- of or like horn
- of or like hornblende
- of or like house music
- of or like hyaloplasm, the clear fluid part of protoplasm
- of or like hydrosomata
- of or like hyenas
- of or like hyperdulia, the veneration accorded to the Virgin Mary
- of or like hypermeter
- of or like hypermetropy
- of or like hypocorism
- of or like idioplasm, the part of the protoplasm bearing hereditary characteristics
- of or like karyoplasm, nucleoplasm
- of or like lamprophyre
- of or like lard
- of or like lathyrism
- of or like leishmania, any protozoon of the genus Leishmania
- of or like leucemia
- of or like leukocytes
- of or like lignocellulose
- of or like marble
- of or like marshmallow
- of or like meliorism
- of or like Methodism
- of or like microgranite, a minutely crystalline variety of granite
- of or like microlite, a rare mineral of resinous lustre and high specific gravity
- of or like milk
- of or like mines
- of or like mortar
- of or like mucin
- of or like muscarine, a poisonous alkaloid in fly agaric
- of or like music
- of or like mycetoma, a chronic fungus infection
- of or like myrrh
- of or like myth
- of or like nectar
- of or like neocolonialism
- of or like nepheline
- of or like olivenite
- of or like ophiolite, serpentine
- of or like ophiura
- of or like orichalc
- of or like owl
- of or like paradise
- of or like paraffin
- of or like paralogism, false reasoning
- of or like paraphasia, a disorder in which one word substituted for another
- of or like parrots
- of or like pewter
- of or like phellogen, the tissue of young cells which produces cork cells
- of or like phosphorus
- of or like phosphorylate
- of or like platitude
- of or like plumbago, graphite
- of or like plumulae, little feathers
- of or like poetry
- of or like polyphenol
- of or like pork
- of or like pozzolana, volcanic ashes from Pozzuoli, in Italy
- of or like protocol
- of or like protoplasm
- of or like pygmies
- of or like pyroxene
- of or like quartzite
- of or like recrement, waste, dross
- of or like retrogression