notch (n.)
- abysm
 - abyss
 - alveolus
 - amount
 - arroyo
 - birthmark
 - blaze
 - blemish
 - blotch
 - brand
 - breach
 - break
 - caliber
 - canyon
 - cavity
 - chalk
 - chap
 - chasm
 - check
 - chimney
 - chink
 - chop
 - cicatrix
 - cleft
 - col
 - compass
 - crack
 - cranny
 - crevasse
 - crevice
 - crimp
 - cut
 - cwm
 - dapple
 - dash
 - defile
 - degree
 - dell
 - dent
 - dike
 - dimple
 - dint
 - discolor
 - discoloration
 - ditch
 - dot
 - draw
 - earmark
 - engraving
 - excavation
 - extent
 - fault
 - fissure
 - flaw
 - fleck
 - flick
 - flume
 - fracture
 - freckle
 - furrow
 - gain
 - gap
 - gape
 - gash
 - gorge
 - gouge
 - gradation
 - grade
 - graving
 - groove
 - gulch
 - gulf
 - gully
 - hack
 - hatch
 - height
 - hole
 - honeycomb
 - impress
 - impression
 - imprint
 - incision
 - indent
 - indentation
 - indention
 - indenture
 - interval
 - jag
 - joint
 - jot
 - leak
 - leap
 - lentigo
 - level
 - line
 - macula
 - mark
 - marking
 - measure
 - mill
 - moat
 - mole
 - mottle
 - nevus
 - nick
 - nock
 - nuance
 - nullah
 - opening
 - pas
 - pass
 - passage
 - patch
 - peg
 - pencil
 - pepper
 - period
 - picot
 - pink
 - pit
 - pitch
 - plane
 - plateau
 - pock
 - pockmark
 - point
 - prick
 - proportion
 - punch
 - puncture
 - range
 - ratio
 - ravine
 - reach
 - recess
 - register
 - remove
 - rent
 - riddle
 - rift
 - rime
 - round
 - rung
 - rupture
 - scale
 - scallop
 - scar
 - scissure
 - scope
 - score
 - scotch
 - scratch
 - scratching
 - seal
 - seam
 - shade
 - shadow
 - slash
 - slit
 - slot
 - space
 - speck
 - speckle
 - splash
 - split
 - splotch
 - spot
 - stage
 - stain
 - stair
 - stamp
 - standard
 - step
 - stigma
 - stint
 - streak
 - striate
 - stripe
 - tamp
 - tattoo
 - tick
 - tittle
 - tooth
 - trace
 - tread
 - trench
 - underline
 - underscore
 - valley
 - void
 - wadi
 - watermark
 - win
 
notch (v.)
- accomplish
 - achieve
 - amount
 - blaze
 - blemish
 - blotch
 - brand
 - breach
 - break
 - chalk
 - chap
 - check
 - chink
 - chop
 - cicatrize
 - compass
 - crack
 - crenellate
 - crimp
 - cut
 - dapple
 - dash
 - defile
 - define
 - delimit
 - demarcate
 - dent
 - depress
 - dike
 - dimple
 - discolor
 - ditch
 - dot
 - draw
 - earmark
 - engrave
 - fault
 - fissure
 - flaw
 - fleck
 - flick
 - fracture
 - freckle
 - furrow
 - gain
 - gap
 - gape
 - gash
 - gorge
 - gouge
 - grade
 - groove
 - gulf
 - hack
 - hatch
 - hole
 - honeycomb
 - impress
 - imprint
 - incise
 - indent
 - indenture
 - jag
 - joint
 - jot
 - leak
 - leap
 - level
 - line
 - machicolate
 - mark
 - measure
 - mill
 - mottle
 - nick
 - nock
 - pass
 - patch
 - peg
 - pencil
 - pepper
 - pink
 - pit
 - pitch
 - plane
 - pock
 - pockmark
 - point
 - prick
 - proportion
 - punch
 - punctuate
 - puncture
 - range
 - reach
 - recess
 - register
 - remove
 - rent
 - riddle
 - rift
 - rime
 - round
 - rupture
 - scale
 - scallop
 - scar
 - scarify
 - scope
 - score
 - scotch
 - scratch
 - seal
 - seam
 - serrate
 - shade
 - shadow
 - slash
 - slit
 - slot
 - space
 - speck
 - speckle
 - splash
 - split
 - splotch
 - spot
 - stage
 - stain
 - stamp
 - step
 - stigmatize
 - stint
 - streak
 - striate
 - stripe
 - tamp
 - tattoo
 - tick
 - trace
 - tread
 - trench
 - underline
 - underscore
 - void
 - win
 
notch (adj.)
- amount
 - blaze
 - cleft
 - crack
 - crenulate
 - cut
 - dash
 - dent
 - ditch
 - fault
 - gain
 - gape
 - grade
 - hack
 - height
 - hole
 - joint
 - leak
 - level
 - line
 - mark
 - mill
 - nock
 - opening
 - pass
 - peg
 - pink
 - pit
 - plane
 - point
 - range
 - reach
 - rent
 - rift
 - rime
 - round
 - rung
 - scale
 - score
 - scotch
 - seal
 - serrate
 - speck
 - split
 - spot
 - stage
 - stair
 - standard
 - step
 - streak
 - striate
 - tick
 - tooth
 - void
 - win