Godan verb with 'su' ending, Transitive verb
to return (something); to restore; to put back
お金は明日返すよ。I'll give you back the money tomorrow. to turn over; to turn upside down; to overturn
to pay back; to retaliate; to reciprocate
to respond (with); to retort; to reply; to say back
Suffix, Godan verb with 'su' ending
to do ... back (e.g. speak back, throw back)
after the -masu stem of a verb
to do ... again; to do ... repeatedly
after the -masu stem of a verb
Also written 反す【かえす】