Other hyponyms of decrease include
break,
shrink,
shrivel,
taper,
drop off,
fly,
vanish,
vaporize,
break,
ease off,
ease up,
flag,
slacken off,
weaken,
boil down,
concentrate,
decoct,
reduce,
contract,
shrink,
shrink,
shrivel,
shrivel up,
wither,
abate,
die away,
let up,
slack,
slack off,
deflate,
dwindle,
dwindle away,
dwindle down,
remit,
de-escalate,
depreciate,
devaluate,
devalue,
undervalue,
shorten,
decline,
go down,
wane,
wane,
wane,
decelerate,
retard,
slow,
slow down,
slow up,
decrescendo.