ガス欠[gasuketsu] running out of gasoline (petrol)
欠けがえのない[kakegaenonai] irreplaceable
間欠[kanketsu] intermittence
金欠[kinketsu] running out of money
欠かす[kakasu] to miss (doing)

欠く[kaku] to chip
欠け[kake] fragment
欠ける[kakeru] to be chipped
欠員[ketsuin] vacancy
欠課[kekka] cutting class

お餅[omochi] rice cakes
安倍川餅[abekawamochi] rice cakes (mochi) with Kinako
ぼた餅[botamochi] adzuki bean mochi
画餅[gabei] failure
絵にかいた餅[enikaitamochi] pie in the sky

血餅[keppei] (blood) clot
焼き餅やき[yakimochiyaki] jealous person
伸餅[noshimochi] flattened rice cakes
煎餅[senbei] rice cookie
煎餅蒲団[senbeibuton] thin bedding