胡椒[koshou] pepper
山椒[sanshou] Japanese pepper (species of Sichuan pepper, Zanthoxylum piperitum)
山椒魚[sanshouuo] salamander
蕃椒[tongarashi] capsicum (Capsicum annuum, esp. the cultivated chili peppers)
胡椒入れ[koshouire] pepper shaker

大山椒魚[oosanshouuo] Japanese giant salamander (Andrias japonicus)
塩胡椒[shiokoshou] salt and pepper
花椒[kashou] Sichuan pepper (tree) (Zanthoxylum bungeanum)
黒胡椒[kurokoshou] black pepper (Piper nigrum)
青椒肉絲[chinjaoroosu] Chinese stir-fry containing green peppers and meat

胡麻化し[gomakashi] hanky-panky
荏胡麻[egoma] egoma (type of perilla)
荏胡麻油[egomayu] egoma seed oil
胡獱[todo] Steller's sea lion
胡国[kokoku] North China barbarian nations

胡床[agura] sitting cross-legged (i.e. Indian style)
胡床をかく[agurawokaku] to sit cross-legged
胡散臭い[usankusai] suspicious looking
胡桃[kurumi] walnut
胡麻[goma] sesame (seeds)