9-letter words containing a, l, i, o
- diglossia — the widespread existence within a society of sharply divergent formal and informal varieties of a language each used in different social contexts or for performing different functions, as the existence of Katharevusa and Demotic in modern Greece.
- dilatator — (anatomy) A muscle that dilates any part; a dilator.
- dilations — Plural form of dilation.
- diplomacy — the conduct by government officials of negotiations and other relations between nations.
- diplomaed — a document given by an educational institution conferring a degree on a person or certifying that the person has satisfactorily completed a course of study.
- diplomata — Plural form of diploma.
- diplomate — a person who has received a diploma, especially a doctor, engineer, etc., who has been certified as a specialist by a board within the appropriate profession.
- diplomats — Plural form of diplomat.
- disallows — Third-person singular simple present indicative form of disallow.
- disavowal — a disowning; repudiation; denial.
- discoidal — Having the flat, circular shape of a disc or a quoit.
- dishallow — to profane; desecrate.
- dislocate — to put out of place; put out of proper relative position; displace: The glacier dislocated great stones. The earthquake dislocated several buildings.
- disposals — Plural form of disposal.
- disproval — The act of disproving; disproof.
- dissocial — disinclined to or unsuitable for society; unsocial.
- do a line — to associate (with a person of the opposite sex) regularly; go out (with)
- doability — Feasibility; practicability.
- doctorial — a person licensed to practice medicine, as a physician, surgeon, dentist, or veterinarian.
- doctrinal — of, relating to, or concerned with doctrine: a doctrinal dispute.
- dog latin — mongrel or spurious Latin.
- dollarize — to replace a country's currency with the US dollar
- domically — in the manner or shape of a dome
- dominical — of or relating to Jesus Christ as Lord.
- domitable — Able to be tamed or bent to one's will; tamable, subduable.
- doornails — Plural form of doornail.
- dovetails — Plural form of dovetail.
- droitural — pertaining to right of ownership as distinguished from right of possession.
- dropsical — of, like, or affected with dropsy.
- duplation — multiplication by two; doubling.
- echolalia — Psychiatry. the uncontrollable and immediate repetition of words spoken by another person.
- echolalic — (clinical psychology) Of or pertaining to echolalia.
- editorial — an article in a newspaper or other periodical or on a website presenting the opinion of the publisher, writer, or editor.
- ego ideal — an internal ideal of personal perfection that represents what one wants to be rather than what one ought to be and is derived from one's early relationship with one's parents
- elaeolite — a type of nepheline that has a greasy lustre
- elaiosome — an oil-rich body on seeds or fruits that attracts ants, which act as dispersal agents
- elevation — The action or fact of elevating or being elevated.
- elixation — (now rare) Boiling, stewing.
- elocation — (obsolete) A removal from the usual place of residence.
- emolliate — (transitive) To soften; to render effeminate.
- emotional — Of or relating to a person's emotions.
- emptional — Capable of being purchased.
- emulation — The endeavor or desire to equal or excel someone else in qualities or actions.
- enchorial — Indigenous, native.
- epilation — The removal of hair by the roots.
- epilators — Plural form of epilator.
- episcopal — Of a bishop or bishops.
- episodial — Episodic.
- epulation — the act of feasting
- equimolal — having an equal number of molecules