13-letter words containing a, r, t, o, i, s
- chiropractors — Plural form of chiropractor.
- chloroplastic — a plastid containing chlorophyll.
- cholesteremia — cholesterolemia.
- choripetalous — polypetalous
- chrestomathic — (of teaching or learning) That has a practical use.
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- chromaticness — the attribute of colour that involves both hue and saturation
- chromatolysis — the dissolution of stained material, such as chromatin in injured cells
- chromesthesia — (neurology, psychology) sound-to-color synaesthesia.
- clavichordist — Someone who plays the clavichord.
- clistocarpous — Mycology. having cleistothecia.
- co-authorship — the state a coauthor
- coadjutorship — the state of being a coadjutor
- coal industry — a branch of commercial enterprise concerned with the discovery and mining of coal
- cobaltiferous — containing cobalt
- coconspirator — a fellow conspirator
- collateralise — Alternative spelling of collateralize.
- colourisation — Alternative spelling of colorization.
- combinatorics — a branch of mathematics dealing with combinations and permutations
- commercialist — the principles, practices, and spirit of commerce.
- commiserating — to feel or express sorrow or sympathy for; empathize with; pity.
- commiseration — to feel or express sorrow or sympathy for; empathize with; pity.
- commiserative — to feel or express sorrow or sympathy for; empathize with; pity.
- commissariats — Plural form of commissariat.
- communicators — Plural form of communicator.
- comparativist — a comparatist
- compatriotism — a native or inhabitant of one's own country; fellow countryman or countrywoman.
- confirmations — Plural form of confirmation.
- conformations — Plural form of conformation.
- congregations — Plural form of congregation.
- conquistadors — Plural form of conquistador.
- consecrations — Plural form of consecration.
- conservatives — Plural form of conservative.
- conservatized — Simple past tense and past participle of conservatize.
- conservatoire — A conservatoire is an institution where musicians are trained.
- conservatoria — Plural form of conservatorium.
- considerately — showing kindly awareness or regard for another's feelings, circumstances, etc.: a very considerate critic.
- consideration — Consideration is careful thought about something.
- considerative — considerate
- consimilarity — the condition of being mutually alike
- consolidators — Plural form of consolidator.
- conspiracists — Plural form of conspiracist.
- conspiratress — a woman who conspires
- conspurcation — the act of defiling
- consternating — Present participle of consternate.
- consternation — Consternation is a feeling of anxiety or fear.
- constrainable — able to be constrained
- constrainedly — forced, compelled, or obliged: a constrained confession.
- constupration — the act of raping or violating
- containerised — Simple past tense and past participle of containerise.