bifurcation (n.)
- ambiguity
- ambivalence
- angle
- apex
- bend
- bight
- bisection
- branching
- cant
- chevron
- coin
- conjugation
- corner
- crank
- crook
- crotchet
- deflection
- dichotomy
- divarication
- division
- dogleg
- doublethink
- doubling
- dualism
- duality
- duplication
- duplicity
- elbow
- ell
- fork
- forking
- furcation
- hook
- inflection
- irony
- knee
- nook
- pairing
- point
- polarity
- quoin
- ramification
- subdivision
- swerve
- trifurcation
- vertex
- zag
- zig
- zigzag