καταχράομαιkatachráomai

to make full use of, use to the uttermost, use up: 1 Corinthians 7:31; with dative, 1 Corinthians 9:18.

Greek (New Testament) · G2710

Same root

κατάkatá · G2596(prepositionally) down (in place or time), in varied relations (according to the case (genitive, dative or accusative) with which it is joined)
χράομαιchráomai · G5530to furnish what is needed; (give an oracle, "graze" (touch slightly), light upon, etc.), i.e. (by implication) to employ or (by extension) to act towards one in a given manner

Where it appears

Appears 2 times in the Bible.

1 Corinthians 7:31 Those who use the things of the world should not become attached to them. For this world as we know it will soon pass away.
1 Corinthians 9:18 What then is my pay? It is the opportunity to preach the Good News without charging anyone. That’s why I never demand my rights when I preach the Good News.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.