御婆さん[obaasan] grandmother
御転婆[otenba] tomboy
お婆はる[obaharu] to shamelessly demand one's rights
お婆ん[oban] old maid
悪婆[akuba] mean old woman

産婆[sanba] midwife
塔婆[touba] stupa
婆あ[babaa] old woman
婆抜き[babanuki] old maid
麻婆豆腐[maaboodoufu] Sichuan style bean curd

火燵掛布[kotatsugake] cover for kotatsu
火燵布団[kotatsubuton] cover for kotatsu
引火[inka] catching fire
引火温度[inkaondo] flash temperature
引火点[inkaten] flash point

曳火弾[eikadan] tracer bullet
煙火[enka] smoke and fumes (e.g. from cooking)
遠火[toobi] distant fire
下火[shitabi] burning low
下火になる[shitabininaru] to be under control

グリーン車[guriinsha] green car (1st class)
愛車[aisha] (one's) beloved car
医療車[iryousha] clinic car
井戸車[idoguruma] well pulley
１等車[ittousha] first-class carriage (coach)

一輪車[ichirinsha] unicycle
横車[yokoguruma] perverseness
下り列車[kudariressha] trains going away from the capital
下車[gesha] alighting (from train, bus, etc.)
火の車[hinokuruma] fiery chariot (which carries the souls of sinners into hell)