N3 - 恋こい
love, tender passion
N3 - 恋人こいびと
lover, sweetheart
N2 - 恋しいこいしい
(1) dear, beloved, darling, (2) yearned for
N2 - 失恋しつれん
disappointed love, broken heart, unrequited love, be lovelorn
N1 - 恋するこいする
to fall in love with, to love
N1 - 恋愛れんあい
love, love-making, passion, emotion, affections