ad·noun 
(ădnoun′)
(ădnoun′)n.
An adjective used as a noun, such as merciful in Blessed are the merciful.
[AD- + NOUN (modeled on ADVERB).]
- paleobiogeographic
- paleobiogeographical
- paleobiogeography
- paleobiologic
- paleobiological
- paleobiologically
- paleobiologist
- paleobiology
- paleobotanic
- paleobotanical
- paleobotanically
- paleobotanist
- paleobotany
- Paleocene
- paleoclimatologist
- paleoclimatology
- paleoconservative
- paleoecologic
- paleoecological
- paleoecologist
- paleoecology
- Paleogene
- paleogeneticist
- paleogenetics
- paleographer