• 恋こい

  (romantic) love

• 恋文こいぶみ

  love letter

• 恋心こいごころ

  (feelings of) love

• 恋愛れんあい

  love, love-making, passion, emotion, affections

• 恋人こいびと

  lover, sweetheart, boyfriend, girlfriend

• 初恋はつこい

  first love, puppy love

• 失恋しつれん

  disappointed love, broken heart, unrequited love, being lovelorn

• 悲恋ひれん

  blighted love, disappointed love

• 恋するこいする

  to fall in love (with), to love

• 恋しいこいしい

  yearned for, longed for, missed

• 恋うこう

  to love

• 恋妻こいづま

  loving wife

• 恋草こいぐさ

  lovesickness

• 恋歌こいうた

  love song, love poem

• 恋河こいかわ

  oceans of love

• 恋風こいかぜ

  love's zephyr

• 恋水こいみず

  tears of love

• 恋病こいやまい

  lovesickness

• 恋猫こいねこ

  cat in heat, cat in season

• 恋着れんちゃく

  attachment, love

• 恋路こいじ

  romance, love's pathway

• 恋敵こいがたき

  one's rival in love

• 恋情れんじょう

  love, attachment

• 恋活こいかつ

  looking for love, searching for a lover

• 恋仲こいなか

  being in love with each other

• 恋々れんれん

  affectionately attached, reluctant to part

• 恋塚こいづか

  burial mound for person who died for love

• 恋慕れんぼ

  love, attachment, tender emotions, falling in love

• 恋衣こいごろも

  garb of love, metaphor for love kept as close to one as clothing

• 片恋かたこい

  unrequited love, one-sided love

• 邪恋じゃれん

  illicit love

• 遠恋えんれん

  long distance relationship

• 色恋いろこい

  sensual love, love affair

• 破恋はれん

  disappointed love, broken heart, unrequited love, being lovelorn

• 狂恋きょうれん

  mad love, excessive infatuation

• 恋死にこいじに

  dying of love

• 恋は闇こいはやみ

  love is blind

• 恋の歌こいのうた

  love song, love poem

• 恋の病こいのやまい

  lovesickness

• 恋煩いこいわずらい

  lovesickness

• 恋盛りこいざかり

  lovesick period

• 恋物語こいものがたり

  love story

• 恋疲れこいづかれ

  haggard from love

• 恋女房こいにょうぼう

  one's dear wife

• 恋模様こいもよう

  romance, love affair

• 恋占いこいうらない

  love fortune-telling

• 恋慰めこいなぐさめ

  comforting the lovelorn

• 恋愛観れんあいかん

  one's view on love, one's philosophy of love

• 恋愛運れんあいうん

  one's romantic fate, one's luck in love

• 恋バナこいバナ

  talking about one's love interests, girls' talk, gossiping