11-letter words containing o, p, s, i
- antiprotons — Plural form of antiproton.
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- aphasiology — The study of linguistic problems resulting from brain damage.
- aphlogistic — (archaic) flameless.
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- apoliticism — the quality of being apolitical
- apollinaris — an effervescent mineral water
- apologetics — the branch of theology concerned with the defence and rational justification of Christianity
- apologising — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- apophysitis — (pathology) Inflammation of an apophysis, a bony tubercle.
- apoproteins — Plural form of apoprotein.
- aposiopeses — Plural form of aposiopesis.
- aposiopesis — the device of suddenly breaking off in the middle of a sentence as if unwilling to continue
- aposiopetic — Of or pertaining to aposiopesis.
- apostatized — Simple past tense and past participle of apostatize.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- apostleship — the position or duty of an apostle
- apostolical — Apostolic.
- apostrophic — a digression in the form of an address to someone not present, or to a personified object or idea, as “O Death, where is thy sting?”.
- apotheosise — Alternative spelling of apotheosize.
- apotheosize — to deify
- apotropaism — the use of ritual or magic to ward off evil or bad luck
- apparations — Plural form of apparation.
- apparitions — Plural form of apparition.
- applicators — Plural form of applicator.
- appositions — Plural form of apposition.
- appositives — Plural form of appositive.
- appressoria — a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- arabidopsis — Any cress (or related plant) of the genus Arabidopsis.
- archbishops — Plural form of archbishop.
- ars poetica — the art of poetry
- arsonphobia — Pyrophobia.
- ascriptions — Plural form of ascription.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- asphyxiator — to produce asphyxia in.
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.
- asportation — the removal or taking away of something
- assumptions — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- astraphobia — a fear of thunder and lightning
- astrophobia — A fear of stars and celestial space.
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- attophysics — the physics of structures and artefacts with dimensions in the attometre range or of devices, such as lasers, capable of producing pulses with a duration measured in attoseconds
- audiophiles — Plural form of audiophile.
- audiotypist — a typist trained to type from a dictating machine
- auditorship — the position or function of auditor
- autoplastic — Of or pertaining to autoplasty.