御世話になる[osewaninaru] to receive favor (favour)
御話中[ohanashichuu] busy (phone)
零し話[koboshibanashi] complaining
ほそぼそ話す[hosobosohanasu] to speak slowly and quietly
アドオン電話[adoondenwa] add-on telephone

ギリシア神話[girishiashinwa] Greek mythology
コードレス電話[koodoresudenwa] cordless phone
テレビ電話[terebidenwa] visual telephone
哀話[aiwa] sad story
一つ話[hitotsubanashi] anecdote

飲み放題[nomihoudai] all you can drink
演習問題[enshuumondai] practice problem
演題[endai] subject of an address
応用問題[ouyoumondai] application problem
歌題[kadai] name of poem

課題[kadai] subject
画題[gadai] motif
解題[kaidai] synopsis
改題[kaidai] changing a title
外交問題[gaikoumondai] diplomatic issue