| AMPLIDYNES | • amplidynes n. Plural of amplidyne. • AMPLIDYNE n. a type of direct-current generator. |
| AMYLOPSINS | • amylopsins n. Plural of amylopsin. • AMYLOPSIN n. an enzyme in pancreatic juice. |
| HYPOMANIAS | • hypomanias n. Plural of hypomania. • HYPOMANIA n. slightly abnormal overactivity and elation. |
| HYPOMANICS | • hypomanics n. Plural of hypomanic. • HYPOMANIC n. one afflicted with hypomania. |
| INPAYMENTS | • inpayments n. Plural of inpayment. • INPAYMENT n. the payment of money into a bank account. |
| MISPLAYING | • misplaying v. Present participle of misplay. • MISPLAY v. to make a bad play in a game. |
| NYMPHALIDS | • nymphalids n. Plural of nymphalid. • NYMPHALID n. any butterfly of the family Nymphalidae. |
| PARONYMIES | • paronymies n. Plural of paronymy. • PARONYMY n. a relationship of two words having the same sound. |
| PAYNIMRIES | • PAYNIMRY n. heathendom. |
| POLYAMINES | • polyamines n. Plural of polyamine. • POLYAMINE n. a compound characterized by more than one amino group. |
| PYRAMIDONS | • pyramidons n. Plural of pyramidon. • PYRAMIDON n. an organ-stop with pipes like inverted pyramids. |
| PYROMANIAS | • pyromanias n. Plural of pyromania. • PYROMANIA n. an obsessive urge to set fire to things. |
| SYMPATHINS | • sympathins n. Plural of sympathin. • SYMPATHIN n. a substance secreted by sympathetic nerve-endings, which constricts and dilates blood-vessels. |
| TYMPANISTS | • tympanists n. Plural of tympanist. • TYMPANIST n. one who plays the tympani, also TIMPANIST. |
| TYMPANITES | • tympanites n. (Medicine) A distended abdomen as a result of an accumulation of gas. • TYMPANITES n. the distention of the abdomen by flatulence, also TYMPANY. |
| TYMPANITIS | • tympanitis n. (Medicine) Synonym of myringitis. • TYMPANITIS n. inflammation of the lining membrane of the middle ear. |
| TYPOMANIAS | • TYPOMANIA n. the overwhelming urge to see one's name in print. |