Another 4 lettered word for neat would be "tidy".
Wash.
Cute, boss, fair, fine, foxy, neat, nice.
To list a few: Noun. Note. News. Need. Neat. Neck. Nice. Near. Navy. Naif.
great...?
neat
neat
neat
boat, coat, drat, feat, goat, heat, moat, neat, peat, frat, seat, teat, that, what, gnat
Some four letter words with 'e' as the second letter are: keen, neat, teen, meet, team, nets, sets, jets, deal, meal, seem, seam, and gems.
A four letter word starting with the letter a is able.
It depends on what you mean by 'four letter word'. Thea has four letters, so yes it is. It is not a swear word, so it's not that kind of 'four letter word'.
A four letter word for 'in addition to' is also.