end
barb
PEAK
gist
Apex , iota, site
When you are using a compass you are navigating to a certain point. So it could be navigation.
compass
A four letter word starting with the letter a is able.
4.06 in word form is four and six hundredths.
spit
a cape people
A four letter word for 'in addition to' is also.
That Four-Letter Word was created in 2006.