Words often mistaken:

bare/ bear
bare:without any clothes or cover.
bear:accept/ tolerate something unpleasant

complement / compliment
complement:  to supplement  /  to complete by adding.
compliment: to praise

dairy /diary:
dairy:  place where milk and milk products are made.
diary: a book where we record our feelings and thoughts.

weak/ week
weak: not strong.
week: seven days.