御猪口[ochoko] small cup
片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
白口[shiroguchi] white croaker (Pennahia argentata)
悪たれ口[akutareguchi] abuse
悪口雑言[akkouzougon] all kinds of malicious gossip

異口同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
ひと口[hitokuchi] mouthful
一口商い[hitokuchiakinai] an immediate definite deal
一口同音[ikkudouon] reading in unison

榴弾砲[ryuudanpou] howitzer
手榴弾[shuryuudan] (hand)grenade
若榴[jakuro] pomegranate
榴弾[ryuudan] high-explosive projectile
榴散弾[ryuusandan] shrapnel

石榴石[zakuroishi] garnet
榴輝岩[ryuukigan] eclogite
石榴鼻[zakurobana] rhinophyma
石榴口[zakuroguchi] low door used in bathouses to prevent the hot water from cooling (Edo period)

圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel