咥える[kuwaeru] to hold in one's mouth
咥えこむ[kuwaekomu] to hold fast deep in (one's mouth or other orifice, often used in a sexual context)

指を咥える[yubiwokuwaeru] to look on enviously while doing nothing

オブジェクト指向[obujekutoshikou] object-oriented
オブジェクト指向言語[obujekutoshikougengo] object-oriented language
ダイヤの指輪[daiyanoyubiwa] diamond ring
医者の指図[ishanosashizu] doctor's mandate
一指[isshi] finger

一指当たり[ichiyubiatari] span
卸売物価指数[oroshiuribukkashisuu] wholesale price index
眼指[manazashi] (a) look
屈指[kusshi] leading
結婚指輪[kekkonyubiwa] wedding ring