-th Nouns

some of these nouns gain (e) when transforming to verbs

1. (no longer productive) Used to form nouns from verbs of action.
2. (no longer productive) Used to form nouns from adjectives.

Synonyms

• -ness
• -hood
• -ship
• -itas
• -itude
• -ia
• -itia
• -ity
• -ability
• -ibility
• -icity
• -osity
• -ous
• -ose
• -cy