Words containing OPTER

adopter adopters aminopterin aminopterins archaeopteryx archaeopteryxes caryopteris caryopterises chiropter chiropteran chiropterans chiropterous chiropters coleopter coleoptera coleopteral coleopteran coleopterans coleopterist coleopterists coleopteron coleopterons coleopterous coleopters copter copters crossopterygian crossopterygians dictyopteran dictyopterans diopter diopters ephemeropteran ephemeropterans gyrocopter gyrocopters helicopter helicoptered helicoptering helicopters heteropteran heteropterans heteropterous homopteran homopterans homopterous horopter horopters hymenoptera hymenopteran hymenopterans hymenopteron hymenopterons hymenopterous isopteran isopterans isopterous lepidoptera lepidopteran lepidopterans lepidopterist lepidopterists lepidopterological lepidopterologies lepidopterologist lepidopterologists lepidopterology lepidopteron lepidopterons lepidopterous macrolepidoptera macropterous malacopterygian microlepidoptera microlepidopterous micropterous monoptera monopteral monopteroi monopteron monopteros monopteroses neuroptera neuropteran neuropterans neuropterist neuropterists neuropteron neuropterous opter opters ornithopter ornithopters orthopter orthoptera orthopteran orthopterans orthopterist orthopterists orthopteroid orthopteroids orthopterology orthopteron orthopterous orthopters plecopteran plecopterans plecopterous plectopterous sauropterygian thysanopterous trichopteran trichopterans trichopterist trichopterists trichopterous xanthopterin xanthopterine xanthopterines xanthopterins