椅子[isu] chair
ひじ掛け椅子[hijikakeisu] armchair
車椅子[kurumaisu] wheelchair
長椅子[nagaisu] couch
椅子[ishi] traditional square chair with armrests and a torii-shaped back (used by the emperor, etc. during ceremonies)

凭れ椅子[motareisu] reclining chair
三脚椅子[sankyakuisu] a three-legged stool
座椅子[zaisu] small chair used while sitting on tatami
回転椅子[kaitenisu] swivel chair
安楽椅子[anrakuisu] easy chair