11-letter words that end in nal
- guadalcanal — the largest of the Solomon Islands, in the W central Pacific: U.S. victory over the Japanese 1942–43. About 2500 sq. mi. (6475 sq. km).
- gymnorhinal — (of a bird) having the nostrils exposed, not covered by feathers.
- hand signal — indication made by hand
- imitational — Pertaining to, or employed in, imitation.
- inductional — Pertaining to, or proceeding by, induction; inductive.
- insertional — That involves insertion.
- intensional — intensification; increase in degree.
- intentional — done with intention or on purpose; intended: an intentional insult.
- interregnal — an interval of time between the close of a sovereign's reign and the accession of his or her normal or legitimate successor.
- interspinal — interspinous
- interveinal — one of the system of branching vessels or tubes conveying blood from various parts of the body to the heart.
- intraspinal — being within the spine.
- intuitional — pertaining to or of the nature of intuition.
- inventional — the act of inventing.
- lactational — Of or pertaining to lactation.
- latitudinal — of or relating to latitude.
- librational — Of or pertaining to libration.
- mediastinal — a median septum or partition between two parts of an organ, or paired cavities of the body.
- mediational — Of or pertaining to mediation.
- metachronal — Describing the wavelike beating of a group of cilia.
- microfaunal — Of, or relating to, a microfauna.
- migrational — the process or act of migrating.
- narrational — something narrated; an account, story, or narrative.
- noncriminal — of the nature of or involving crime.
- nonhormonal — not involving hormones, not hormonal
- nonnational — One who is not a national.
- nonoriginal — Not original.
- nonpersonal — Not personal.
- nonrational — agreeable to reason; reasonable; sensible: a rational plan for economic development.
- nonseasonal — not connected to or dependent on the seasons
- nonterminal — Alternative spelling of non-terminal.
- nutritional — the act or process of nourishing or of being nourished.
- objectional — Objectionable.
- obsessional — the domination of one's thoughts or feelings by a persistent idea, image, desire, etc.
- oligoclonal — (genetics) Pertaining to, or derived from, just a few clones.
- operational — able to function or be used; functional: How soon will the new factory be operational?
- paraphernal — (sometimes used with a singular verb) equipment, apparatus, or furnishing used in or necessary for a particular activity: a skier's paraphernalia.
- pentactinal — of or relating to a pentact
- polyactinal — possessing many rays
- pre-seminal — released before semen is ejaculated
- precisional — the state or quality of being precise.
- preterminal — situated at or forming the end or extremity of something: a terminal feature of a vista.
- previsional — characteristic of prevision
- probational — the act of testing.
- promotional — advancement in rank or position.
- provisional — providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
- recessional — of or relating to a recession of the clergy and choir after the service.
- redactional — to put into suitable literary form; revise; edit.
- reductional — of, characterized by, or relating to reduction
- resin canal — a tubular, intercellular opening containing resin, often found in the wood and needles of gymnosperms