Meaning: るいn. (Kanji=塁) base, foundationn. (Kanji=類) kind, sort; genus, class; family; synonym, word which has the same or almost the same meaning as another (Grammar)adj. (Kanji=羸) weak, frail, feeble; faint; diluten. (Kanji=累) trouble, annoyance, problemv. (Kanji=類する) be similar