But

が

ga

(although)

けど

kedo

(although)

けれど

keredo

(although)

けれども

keredomo

(although)

しか

shika

(solely, only, merely (obsolete))

しかし

shikashi

(although)

じゃなく

ja naku

(rather)

だけ

dake

(solely, only, merely (obsolete))

ではなく

de wa naku

(rather)

でも

demo

(although)

以外

igai

(except)