GENUS SIGMODON(noun) Did you mean: Rhymes Also try: genussigmodonDefinitions There is 1 meaning of the phrase Genus Sigmodon. Genus Sigmodon - as a noun American cotton rats Synonyms (Exact Relations)sigmodonWord Variations & RelationsAnagrams Starts G Starts GE Starts GEN Starts GENU Ends N Ends ON Ends DON Ends ODON Starts G & ends N Starts GE & ends N Starts G & ends ON A-Z Proximitiesgenuine 8genuinely 13genuineness 12genuinenesses 14genus 6 Genus Sigmodon genus-fenusagenus-megapodiusgenus-milvusgenuses 8genyonemus