- base: zushi firstSyllable: zu pos: noun: feminine: - def: A nap. masculine: - def: A long or a full night's sleep. verb: feminine: - def: To take a nap. masculine: - def: To sleep for a long time. - base: zushichya firstSyllable: zu pos: adj: - def: Growing older. noun: masculine: - def: Amber. neuter: - def: A resin tree. verb: feminine: - def: To solidify one's opinions.