drop

[1]	drip , trickle , dribble
[2]	fall , descend , sink , drop away/down/off , dive , plunge , plummet , decline , collapse
[3]	desert , forsake , give up , abandon , leave , quit , throw over , jilt , discard , reject , repudiate , renounce , (Colloq) chuck , ditch , dump , relinquish , let go , discontinue , stop , cease , end
[4]	release , let go of , shed , cast off , discard , doff
[5]	omit , leave out , exclude , eliminate
[6]	dismiss , let go , fire , discharge , oust , (Colloq) (Mainly Brit) sack , give (someone) the sack
[7]	decline , decrease , drop/fall off , diminish , slacken , slack/taper off , subside , lessen
[8]	drop in (on) , visit , call (on) , pop in (on) , come by , stop in
[9]	drop out , sink , drop down , withdraw (from) , leave , rusticate , depart , decamp , go away/off , take off , turn off
[10]	knock off
[11]	drop off , set down , put down , unload , discharge
[12]	fell , strike down , cut down
[13]	spend , expend
[14]	flatten
[15]	dangle , swing
[16]	dismiss , send packing , send away
[17]	dribble , drip
[18]	shed , cast , cast off , shake off , throw , throw off , throw away
[19]	neglect , pretermit , omit , miss , leave out , overlook , overleap
[20]	devolve , deteriorate , degenerate

[1]	bead , globule , bead , pearl , drip , droplet , tear
[2]	bit , drib , driblet , spot , particle , taste , dram , sip , nip , pinch , dash , dab , (Colloq) smidgen/smidgin
[3]	descent , dip , fall , fall , free fall
[4]	cliff , decline , slope , drop-off , fall-off , drop-off , declivity , incline
[5]	fall
[6]	drop curtain , drop cloth