hippotomy hity-tity homomorph homotropy hortorium hothothot hottotrot hypomorph impromptu miou-miou mommoppop moor-pout motortrip mouthroot muyippoth optomotor oromoromo orthotomy ortiporio ottottrio outhumour phototypy phut-phut phytotomy piou-piou piri-piri pirthipur pit-mouth pooh-pooh poormouth porphyrio porphyro- port-mort poto-poto potpourri pro-tutor promittor prompromo proprotor prothyrum protutory pump-pump pump-room putt-putt puttyroot pyromotor rory-tory rotopouri thiotroph thoothoor thuortour thyrotomy tommy-rot tory-rory toyi-toyi trimurthi trimurtti trit-trot tritorium triturium trophimoi tump-tump tuotuorou tuttototo up-or-out youyouyou