aduncity
alveolation
alveolus
antrum
aquilinity
arching
arcuation
armpit
basin
boss
bowl
bump
cavity
circularity
colophon
concameration
concave
convexity
convolution
crater
crookedness
crypt
cup
curvation
curvature
curving
curvity
dactylogram
dactylograph
de-escalation
debasement
decurvation
decurvature
degradation
demotion
dent
depression
descent
detrusion
diminution
dint
dip
ducking
embossment
excrescence
excurvation
excurvature
fingerprint
fold
follicle
acclivity
autochef
autocorrelation
conjoin
death-trap
dewlap
dowel
hackles
interphase
isotropy
palea
scrag
serration
spungy
squareness
staleness
unfeelingness