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

• federalism
• federalist
• Federalist Party
• federalization
• federalize
• federally
• federate
• federated
• Federated States of Micronesia
• federation
• Federation of Saint Kitts and Nevis
• federation of tribes
• federative
• Federative Republic of Brazil
• Federico Fellini
• federita
• fedora
• fee
• fee simple
• fee splitting
• fee-tail
• feeble
• feebleminded
• feeblemindedness
• feebleness