quirk
/kwɜːk/
An idiosyncrasy; a slight glitch, mannerism; something unusual about the manner or style of something or someone
The car steers cleanly, but the gearshift has a few quirks.
An acute angle dividing a molding; a groove that runs lengthwise between the upper part of a moulding and a soffit
A quibble, evasion, or subterfuge.