Following are all the plonking like words, in the list below.
PLUNK
100% like plonking
FLUMP
100% like plonking
PLUMP DOWN
100% like plonking
PLOP
99.99% like plonking
PLUMP
99.9% like plonking
PLANK
99.75% like plonking
PLUNK DOWN
66.7% like plonking
PLUNKING
33.4% like plonking
PLINKING
33.4% like plonking
PLOPPING
33.4% like plonking
KERPLUNK
33.4% like plonking
PLINK
33.4% like plonking
PLOOP
33.4% like plonking
PLINKER
33.4% like plonking
SPLOP
33.4% like plonking
SPLATTING
33.4% like plonking
BOINK
33.4% like plonking
KAPLUNK
33.4% like plonking
CLUNKING
33.4% like plonking
PLISH
33.4% like plonking
THWONK
33.4% like plonking
CLUMP
33.4% like plonking
PLASHING
33.4% like plonking
CLANKING
33.4% like plonking
CLINKING
33.4% like plonking
CLANGING
33.4% like plonking
CLANKER
33.4% like plonking
BLOOP
33.4% like plonking
SPUTTERING
33.4% like plonking
SQUUSH
33.4% like plonking
CLATTERING
33.4% like plonking
CLACKING
33.4% like plonking
SPLOOSH
33.4% like plonking
SQUEALDOM
33.4% like plonking
PLIP
33.4% like plonking
CLANK
33.4% like plonking
CLONK
33.4% like plonking
CLATTER
33.4% like plonking
GLUGGING
33.4% like plonking
SLIPSLOP
33.4% like plonking
SPLISHING
33.4% like plonking
YAMMER
33.4% like plonking
SQUINK
33.4% like plonking
GRUNTING
33.4% like plonking
KERPLOP
33.4% like plonking
CHATTERING
33.4% like plonking
SPLAT
33.4% like plonking
FLOP
33.4% like plonking
BLEATING
33.4% like plonking
CLOMP
33.4% like plonking
BOOP
33.4% like plonking
SQUEAKING
33.4% like plonking
SHRILLING
33.4% like plonking
CLAMOURING
33.4% like plonking
RUMBLING
33.4% like plonking
HONKING
33.4% like plonking
SPLOSHING
33.4% like plonking
PULING
33.4% like plonking
SQUIRT
33.4% like plonking
DRONING
33.4% like plonking
PLUM IN ONE'S MOUTH
33.4% like plonking
PLOD
33.4% like plonking
POPPING
33.4% like plonking
JANGLING
33.4% like plonking
SNICK
33.39% like plonking
PLOUTER
33.39% like plonking
BRATTLING
33.39% like plonking
CREAKING
33.39% like plonking
PLASH
33.39% like plonking
PRUCK
33.39% like plonking
TWANGING
33.39% like plonking
CHINKING
33.39% like plonking
MEWLING
33.39% like plonking
SLAM-BANG
33.39% like plonking
SHRILL
33.39% like plonking
PULE
33.39% like plonking
BOOMER
33.39% like plonking
PLUMPAGE
33.39% like plonking
TONK
33.39% like plonking
CLAMPERING
33.39% like plonking
PLAINING
33.39% like plonking
DRUMMING
33.39% like plonking
SPLOOP
33.39% like plonking
BANG
33.39% like plonking
WARBLING
33.39% like plonking
THUMPING
33.39% like plonking
CRUNCHING
33.39% like plonking
LOWING
33.39% like plonking
FIZZLING
33.39% like plonking
BLARING
33.39% like plonking
SNIP-SNAP
33.39% like plonking
GRUNTLE
33.39% like plonking
SQUELCH
33.39% like plonking
NOISE STICK
33.39% like plonking
CLUNK
33.39% like plonking
CLUMPING
33.39% like plonking
DONG
33.39% like plonking
TOOTLING
33.39% like plonking
PLAW
33.39% like plonking
SPLUTTER
33.39% like plonking