10-letter words containing r, h, i, n, o, a
- rhinotheca — the covering of the upper part of the beak in birds
- rhizoplane — the part of the root of a plant that is near the soil surface
- richardson — Henry Handel (Henrietta Richardson Robertson) 1870–1946, Australian novelist.
- rockingham — Second Marquis of, Charles Watson-Wentworth.
- sticharion — a white tunic of silk or linen, corresponding to the alb, worn by deacons, priests, and bishops.
- stracchino — a soft cheese from North Italy
- thorianite — a rare mineral, mainly thoria, ThO 2 , but also containing uranium, cerium, and other rare-earth metals, occurring in small, black, cubic crystals: notable for its radioactivity and used as a minor source of thorium.
- unactorish — not resembling or characteristic of actors or acting
- unharmonic — pertaining to harmony, as distinguished from melody and rhythm.
- vibraphone — vibraharp.
- wholegrain — A cereal grain that contains cereal germ, endosperm, and bran, in contrast to refined grains, which retain only the endosperm.
- xiphosuran — any chelicerate arthropod of the subclass Xiphosura, including the horseshoe crabs and many extinct forms
- zincograph — (formerly) a zinc plate produced by zincography.