A four letter word for "A way out" would be exit.
As in "The exit is over there".
It is Exit.
exit
east
move
East, West
A four letter word starting with J is jump or joke.
KnowKnotKneeKnewKeepKeptKeelKeenKelpKilnKindKite
A 4 letter word starting with A that's a color is aqua.
teal
icon, itch, into, isle
Seta is a 4-letter word for hair or bristle starting with S.
RingRangRollRats
aver
Anna
goalgoatgodsgoesgoldgolfgonegonggoodgoongown