- affine subspace
- affine surface
- affine symmetric space
- affine symplectic space
- affine tensor
- affine torsion
- affine transfer
- affine transformation
- affine transformation group
- affine type
- affine unimodular group
- affine variety
- affine volume
- affinity
- affinograph
- affinoid
- affinoid algebra
- affinoid space
- affinor
- affinor density
- affinor differential equation
- affirmation
- affirmative
- affirmative acknowledgment
- affirmative proposition