Assistance, relief, support, guidance, comfort, employee, assistant, worker, domestic, representative, aid, abet, patronize, lend a hand, intercede, improve, alleviate, ease, heal...
eat
A three letter word for consumed is ate.
sip
now ?
A three letter synonym for a verse is ode.
A three letter synonym for the exclamation 'gosh' is gee.
nee
A three letter synonym for 'present' is now.
Gob is a synonym for a seaman.
help
There is no synonym for 3.
Aid