小匙[kosaji] teaspoon
大匙[oosaji] tablespoon
茶匙[chasaji] teaspoon
飯匙倩[habu] habu (East Asian pit viper of genus Trimeresurus)
匙加減[sajikagen] prescription

匙を投げる[sajiwonageru] to give up (something as hopeless)
本飯匙倩[honhabu] Okinawan habu (Trimeresurus flavoviridis)
台湾飯匙倩[taiwanhabu] Taiwanese habu (Trimeresurus mucrosquamatus)
石匙[ishisaji] stone knife (Jomon-period tool, shaped like a rice spoon)

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

一筋道[hitosujimichi] straight road
一筋繩[hitosujinawa] (piece of) rope
横筋[yokosuji] transversal
家筋[iesuji] lineage
括約筋[katsuyakukin] sphincter

筋違い[sujichigai] cramp
筋違い[sujikai] diagonal
筋骨[kinkotsu] muscles (sinews) and bones
筋書[sujigaki] synopsis

火筯[koji] tongs (esp. for incense or for use in a Buddhist temple)

火箸[hibashi] long metal chopsticks (for handling charcoal, esp. in a brazier)
わり箸[waribashi] splittable (wood) chopsticks
箸休め[hashiyasume] entremet
箸置[hashioki] chopstick rest
箸箱[hashibako] chopstick case

塗り箸[nuribashi] lacquered chopsticks
菜箸[saibashi] cooking or serving chopsticks
杉箸[sugibashi] chopsticks made of cedar
匕箸[hicho] spoon and chopsticks