9-letter words that end in nal
- monotonal — having equal tone throughout, as sans-serif type.
- monsoonal — the seasonal wind of the Indian Ocean and southern Asia, blowing from the southwest in summer and from the northeast in winter.
- nocturnal — of or relating to the night (opposed to diurnal).
- nonagonal — Having nine sides and nine angles.
- octagonal — having eight angles and eight sides.
- octogonal — Obsolete form of octagonal.
- officinal — kept in stock by apothecaries, as a drug. Compare magistral (def 1).
- olecranal — the part of the ulna beyond the elbow joint.
- pactional — relating to an agreement or a bargain
- passional — of, relating to, or marked by passion.
- piperonal — a white, crystalline, water-insoluble aldehyde, C 8 H 6 O 3 , which darkens on exposure to light: used chiefly in perfumery and organic synthesis.
- polygonal — a figure, especially a closed plane figure, having three or more, usually straight, sides.
- polytonal — marked by or using polytonality.
- polyzonal — having many zones
- presignal — to signal in advance
- regiminal — relating to a regimen
- sectional — pertaining or limited to a particular section; local or regional: sectional politics.
- semifinal — of or relating to the round preceding the final one in a tournament from which losers are eliminated.
- serotinal — pertaining to or occurring in late summer.
- sessional — the sitting together of a court, council, legislature, or the like, for conference or the transaction of business: Congress is now in session.
- stational — a place or position in which a person or thing is normally located.
- sudaminal — pertaining to a sudamen or sudamina; comprising sudamina
- synclinal — sloping downward from opposite directions so as to meet in a common point or line.
- tensional — the act of stretching or straining.
- torsional — the act of twisting.
- trichinal — relating to trichina
- vaticinal — of, relating to, or characterized by prophecy; prophetic.
- viewrinal — a urinal with a small screen at eye level which displays advertisements
- voluminal — relating to volume