お七夜[oshichiya] name-giving ceremony
七つ[nanatsu] seven
七つの海[nanatsunoumi] the seven seas
七屋[nanatsuya] pawnshop
七回忌[shichikaiki] seventh anniversary of a death

七角形[shichikakkei] heptagon
七曲がり[nanamagari] tortuous or spiral (path)
七月[shichigatsu] July
七賢[shichiken] the Seven Wise Men (of Confucius's Analects)

御珍々[ochinchin] penis
珍矛[chinpoko] penis
事珍しく[kotomezurashiku] like something strange
珍らしい[mezurashii] unusual
珍奇[chinki] strange

珍客[chinkyaku] welcome visitor
珍什[chinjuu] rare article
珍獣[chinjuu] rare (or peculiar) animal
珍重[chinchou] to prize