apex (n.)
- achievement
- acme
- alveolus
- angle
- apogee
- attainment
- back
- bend
- bifurcation
- bight
- blade
- brow
- cant
- cap
- capstone
- chevron
- climax
- coin
- consummation
- corner
- crank
- crescendo
- crest
- crook
- crotchet
- crown
- culmination
- deflection
- dogleg
- dorsum
- edge
- elbow
- elevation
- ell
- eminence
- ether
- extremity
- fork
- furcation
- heaven
- heavens
- height
- heights
- hook
- inflection
- knee
- larynx
- lift
- limit
- lips
- maximum
- meridian
- nook
- noon
- noontide
- palate
- peak
- pharynx
- pinnacle
- pitch
- point
- pole
- prime
- prominence
- quoin
- raise
- realization
- ridge
- rise
- roof
- sky
- spire
- steep
- stratosphere
- summit
- swerve
- syrinx
- teeth
- tip
- tongue
- top
- ultimate
- utmost
- zag
- zenith
- zig
- zigzag