1. Relating to a historical tendency for a language to reduce its use of inflections
   - syncretic, syncretical, syncretistic 
2. Of or characterized by syncretism
   - syncretic, syncretical, syncretistic

See also: syncretism

• nightjar
• nightlife
• nightlong
• nightly
• nightmare
• nightmarish
• nightrider
• nightshade
• nightshirt
• nightspot
• nightstand
• nightstick
• nighttime
• nightwalker
• nightwear
• nightwork
• nighty
• nigra
• nigrescent
• nigrify
• Nigroporus
• Nigroporus vinosus
• NIH
• nihil
• nihil obstat