12-letter words containing n, o, m, r
- honeymooners — Plural form of honeymooner.
- honor system — a system whereby the students at a school, the inmates in a prison, etc., are put on their honor to observe certain rules in order to minimize administrative supervision or to promote honesty.
- hop hornbeam — any of several Eurasian and North American trees of the genus Ostrya, of the birch family, especially O. virginiana, bearing hoplike fruiting clusters.
- horse manure — horse's excrement
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horsemanship — the art, ability, skill, or manner of a horseman.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- house number — the unique number given to each building on a street which forms part of that building's address
- housewarming — a party to celebrate a person's or family's move to a new home.
- humorousness — (uncountable) The state or quality of being humorous.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroforming — the production of high-octane aromatic compounds for motor fuels by catalytic reforming of naphthas in the presence of hydrogen.
- hymenopteran — hymenopterous.
- hymenopteron — hymenopteran.
- hypersomniac — a tendency to sleep excessively.
- hyponatremia — (medicine) An abnormally low concentration of sodium (or salt) in blood plasma.
- hysteromania — unusually increased sexual desire in a woman
- ill-informed — lacking adequate or proper knowledge or information, as in one particular subject or in a variety of subjects: The public is ill-informed of the danger.
- illuminators — Plural form of illuminator.
- illuminatory — Increasing informative qualities; explanatory.
- immersionism — the doctrine that immersion is essential to Christian baptism.
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immoderation — lack of moderation.
- impardonable — (obsolete) unpardonable.
- imperception — lack of perception.
- imperfection — an imperfect detail; flaw: a law full of imperfections.
- impersonally — In an impersonal manner.
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- implementors — Plural form of implementor.
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.
- importancies — Plural form of importancy.
- importations — Plural form of importation.
- imprecations — Plural form of imprecation.
- impregnation — to make pregnant; get with child or young.
- impressional — a strong effect produced on the intellect, feelings, conscience, etc.
- imprisonable — capable of being imprisoned or incarcerated
- imprisonment — to confine in or as if in a prison.
- improperness — Quality of being improper.
- improvements — Plural form of improvement.
- improvidence — not provident; lacking foresight; incautious; unwary.
- in good form — fit, healthy
- in memory of — to commemorate
- in our midst — among us
- in-migration — to move or settle into a different part of one's country or home territory.
- inclinometer — Aeronautics. an instrument for measuring the angle an aircraft makes with the horizontal.
- income group — a group in a given population having incomes within a certain range
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.