Last letter only

[SassaFras]

bounty

 

[ararat]

yeoman

 

[terval]

night (the opposite of day)

 

[ararat]

thumb (the opposite of little finger )

 

[terval]

bad (the opposite of good)

 

[ararat]

dark

(the opposite of bright / light)

 

[jan55]

kiddie (the opposite of adult man)

 

[ararat]

eternity (opposite of fugacity)

 

[jan55]

yammer (the opposite of silence)

 

[ararat]

release (the opposite of arrest)

 

[terval]

easy (the opposite of difficult)

 

[ararat]

yellow
(the opposite of blue - colour models by Helmholtz / Hering)
(the opposite of violet - colour model by Goethe)

 

[Virtual Angel]

win (the opposite of lost)

 

[morattino]

this is great

 

[ararat]

normal (the opposite of abnormal, deranged, etc.)

 

[jan55]

likable (the opposite of unpleasant)

 

[ararat]

evening (the opposite of morning)

 

[harryt]

good ( opposite to bad)

 

[ararat]

dry (opposite of smooth ).

 

[a911]

yesterday (opposite of tomorrow)