possible / feasible

possibility, good chance / feasibility

confirmation

confirm, make sure, check, verify

sex, gender / (grammar) gender

wrong, incorrect / to err, to mistake, error

to make a mistake, to err / to become in a bad mood, to become troubled or despondent / to be unreasonable or irregular / to mistake one thing for another / to choose in the wrong direction

Please have a seat. / Please sit down.

Please wait

(elementary mathematics) word problem