- aalt
- Access All Alternates
- calt
- Contextual Alternates
- case
- Case-Sensitive Forms
- ccmp
- Glyph Composition/Decomposition
- dnom
- Denominators
- frac
- Fractions
- liga
- Standard Ligatures
- locl
- Localized Forms
- numr
- Numerators
- onum
- Oldstyle Figures
- ordn
- Ordinals
- salt
- Stylistic Alternates
- sinf
- Scientific Inferiors
- ss01
- Alt g and a
- ss02
- Stylistic Set 2
- subs
- Subscript
- sups
- Superscript
- kern
- Kerning
- mark
- Mark Positioning
- mkmk
- Mark to Mark Positioning