nub (n.)
- axiom
- axis
- bilge
- blain
- bleb
- blister
- blob
- boss
- bow
- bubble
- bulb
- bulge
- bulla
- bump
- bunch
- burl
- button
- center
- centroid
- centrum
- chine
- climax
- clump
- condyle
- core
- cornerstone
- crisis
- crux
- distillate
- distillation
- dowel
- ear
- elixir
- epicenter
- essence
- essential
- fabric
- feel
- finish
- flange
- flap
- flower
- focus
- fundamental
- gall
- gist
- gnarl
- grain
- handle
- heart
- hill
- hub
- hump
- hunch
- hypostasis
- indentation
- issue
- jog
- joggle
- kernel
- keystone
- knob
- knot
- landmark
- lip
- loop
- lump
- marrow
- material
- matter
- meat
- medium
- medulla
- metacenter
- middle
- milestone
- mole
- mountain
- nap
- nave
- navel
- nevus
- nubbin
- nubble
- nucleus
- omphalos
- papilloma
- peg
- pile
- pit
- pith
- pivot
- pock
- postulate
- principle
- protuberance
- quid
- quiddity
- quintessence
- rib
- ridge
- ring
- sap
- shag
- short
- shoulder
- soul
- spine
- spirit
- structure
- stud
- stuff
- style
- substance
- surface
- tab
- texture
- tubercle
- umbilicus
- upshot
- verruca
- vesicle
- wale
- wart
- weave
- welt
- woof
nub (v.)
- bilge
- blister
- blob
- boss
- bow
- bubble
- bulge
- bump
- bunch
- burl
- button
- center
- chine
- climax
- clump
- core
- ear
- feel
- finish
- flap
- flower
- focus
- gall
- gnarl
- grain
- handle
- heart
- hill
- hump
- hunch
- issue
- jog
- joggle
- knot
- lip
- loop
- lump
- material
- matter
- middle
- nap
- peg
- pile
- pit
- pith
- pivot
- pock
- postulate
- rib
- ridge
- ring
- sap
- shag
- short
- shoulder
- spirit
- structure
- stud
- stuff
- style
- surface
- tab
- wart
- weave
- welt
