Compunction

Besides, to do De Joinville justice, he felt, too, a degree of kindly compunction for the former harsh judgment entertained of one who so little deserved it; and—for there is no such thing in the human mind as an unmixed sensation—he was struck both with the spirit with which she resented, and the proud humility with which she forgave the affront.

His age—his kindness, disarmed Pen’s anger somewhat, and made Arthur feel no little compunction for the deed which he was about to do.

[H]e would have had no compunction whatever in flinging him out of the highest window in Venice into the deepest water of the city.

[T]he instant the door had closed behind him, I leaned over and looked at the letters, which were face down on the table. I felt no compunction in doing so, for under the circumstances I felt that I should protect myself in every way I could.

But he felt, later, a little compunction. He had been violent, cruel with poor Hermione. He wanted to recompense her, to make it up.

As for average U.S. consumers, they've shown little compunction about buying diamonds that fund bloody militias in Africa.