error, mistake / fault, blame / wrong, misdemeanor / foul, fault (infraction of the rules)

misspelling

through lack of; for want of; because of a lack of

faultless performance

(sports) unforced error

(tennis) double fault

Used other than figuratively or idiomatically: see sans, faute; flawless, perfect

without fail, for sure, definitely / Used other than figuratively or idiomatically: see sans, faute; flawlessly, perfectly

(transitive) to catch in the act, to catch red-handed

for want of something better, faute de mieux