Let's play Standard Shiritori! しりとりをしましょう！

[Fedhead]

美少女 = beautiful girl

[Greenfire311]

主に
おもに
Mainly

[NearlyRemy]

似合い(にあい) well matched

[IcyIceBear]

いい加減「いいかげん」Careless, irresponsible, half-baked, halfhearted, lukewarm
but I just noticed the ん so we’ll use the next one
言いがかり「いいがかり」False accusation, pretext

例えば
検事：どういうつもりですか！そんないいかげんな言いがかりは。。。

[Pablunpro]

そうだよね!

利益配当りえきはいとう - share of profits

…and a 四字熟語 .

[NearlyRemy]

生まれ変わり(うまれかわり) reincarnation

[Jose7822]

理論物理学 (りろんぶつりがく) = Theoretical Physics.

[CBee99]

くらげ ＝ Jellyfish

[Neon_Kitsune]

言語（げんご）language

[NearlyRemy]

ご無沙汰(ごぶさた) not writing/contacting for a long while

[SoreWaMaichiru]

淡水魚 (たんすいぎょ) freshwater fish

[Jose7822]

魚介類 (ぎょかいるい) = Seafood.

[Pablunpro]

遺伝子治療いでんしちりょう - gene therapy

[Daigo]

料理 【りょうり】cuisine

[NearlyRemy]

立証(りっしょう) establishing proof

[IcyIceBear]

噂話「うわさばなし」gossip, rumor talk

[softtofu]

思想（しそう）thought / ideology

[Jose7822]

双生児 (そうせいじ) = Twins.

[Fedhead]

事故 (じこう) = accident

[Greenfire311]

上手い
うまい
Good at