9-letter words containing a, c, o, i
- -agnostic — not restricted to using one type of hardware or software
- -fication — a making, creating, causing
- -ological — -ological is used to replace '-ology' at the end of nouns in order to form adjectives that describe something as relating to a particular science or subject. For example, 'biological' means relating to biology.
- aaronical — Aaronic.
- abdicator — to renounce or relinquish a throne, right, power, claim, responsibility, or the like, especially in a formal manner: The aging founder of the firm decided to abdicate.
- abduction — the act of taking someone away by force or cunning; kidnapping
- abiogenic — not resulting from the activity of living organisms.
- abjection — an abject state or condition
- acanthoid — resembling a spine; spiny
- acapnotic — Of or pertaining to something that does not smoke, is not a smoker.
- accension — the state of being ignited or the act of igniting
- acception — (obsolete) acceptation; the received meaning.
- accession — Accession is the act of taking up a position as the ruler of a country.
- acclivous — Sloping upward; rising like a hillside.
- according — in proportion; in relation
- accordion — An accordion is a musical instrument in the shape of a fairly large box which you hold in your hands. You play the accordion by pressing keys or buttons on either side while moving the two sides together and apart. Accordions are used especially to play traditional popular music.
- accosting — Present participle of accost.
- accretion — An accretion is an addition to something, usually one that has been added over a period of time.
- accroides — an alcohol-soluble resin, obtained from Australian trees, used in paper manufacturing and as a component of varnishes
- ace point — the first point in backgammon.
- acholuria — the absence of bile pigments in the urine.
- acid drop — a boiled sweet with a sharp taste
- acid rock — a type of rock music characterized by electronically amplified bizarre instrumental effects
- acid soil — a soil that gives a pH reaction of below about 6, found esp in cool moist areas where soluble bases are leached away
- acidophil — (of cells or cell contents) easily stained by acid dyes
- acidulous — rather sour
- aciniform — shaped like a bunch of grapes
- acoluthic — following, subsequent; specifically, relating to an afterimage
- aconitine — a poison extracted from aconite
- acoustics — the scientific study of sound and sound waves
- acrobatic — An acrobatic movement or display involves difficult physical acts such as jumping and balancing, especially in a circus.
- acrodynia — (pathology) An epidemic disease of the skin characterized by increased sensibility of the soles and palms, with pricking sensations in them and rheumatoid pains in the hands and feet.
- acroliths — Plural form of acrolith.
- acrologic — Of or pertaining to the naming of hieroglyphic symbols by the first phonetic sound of the picture they represent.
- acronical — happening at sunset, as the rising of a star
- acronymic — a word formed from the initial letters or groups of letters of words in a set phrase or series of words and pronounced as a separate word, as Wac from Women's Army Corps, OPEC from Organization of Petroleum Exporting Countries, or loran from long-range navigation.
- acropolis — the citadel of an ancient Greek city
- acrospire — the first shoot developing from the plumule of a germinating grain seed
- acrostics — Plural form of acrostic.
- acroteria — acroters
- actinopod — any protozoan of the phylum Actinopoda, such as a radiolarian or a heliozoan, having stiff radiating cytoplasmic projections
- actionary — (business, obsolete) A shareholder in a joint-stock company.
- actioners — Plural form of actioner.
- actioning — Present participle of action.
- actionist — a person who is bent on (spoken) action
- activator — a thing or person that activates
- actuation — to incite or move to action; impel; motivate: actuated by selfish motives.
- acuminous — keen insight; shrewdness: remarkable acumen in business matters.
- acupoints — Plural form of acupoint.
- acyclovir — an antiviral drug used to treat herpes. Formula: C8H11N5O3
On this page, we collect all 9-letter words with A-C-O-I. It’s easy to find right word with a certain length. It is the easiest way to find 9-letter word that contains in A-C-O-I to use in Scrabble or Crossword puzzles