| COOPERATING | • cooperating v. Present participle of cooperate. • coöperating v. Present participle of coöperate. • co-operating v. Present participle of co-operate. |
| GRAMOPHONES | • gramophones n. Plural of gramophone. • GRAMOPHONE n. (tradename) an instrument for reproducing sounds by means of a needle moving along the grooves of a revolving disc. |
| MONOGRAPHED | • monographed v. Simple past tense and past participle of monograph. • MONOGRAPH v. to write a monograph. |
| MONOGRAPHER | • monographer n. A writer of monographs. • MONOGRAPHER n. one who writes monographs. |
| NEGROPHOBIA | • Negrophobia n. (Somewhat derogatory) Fear, hate, or dislike of black people of any descent, usually Africans. |
| NOMOGRAPHER | • nomographer n. A person who is skilled in nomography. • NOMOGRAPHER n. a writer of laws. |
| NOSOGRAPHER | • nosographer n. An expert in nosography. • NOSOGRAPHER n. one who describes diseases. |
| OPERAGOINGS | • OPERAGOING n. attending the opera. |
| OPPIGNORATE | • oppignorate v. (Transitive, obsolete) To pawn; to lay in pledge. • OPPIGNORATE v. (obsolete) to pawn, also OPPIGNERATE. |
| PROLEGOMENA | • prolegomena n. Plural of prolegomenon. • PROLEGOMENON n. prefatory remarks; specifically, a formal essay or critical discussion serving to introduce and interpret an extended work. |
| PROLONGABLE | • prolongable adj. Capable of being prolonged, extended, or lengthened. • PROLONGABLE adj. that can be prolonged. |
| PROLONGATED | • prolongated adj. Prolonged. • PROLONGATE v. to prolong. |
| PROLONGATES | • prolongates v. Third-person singular simple present indicative form of prolongate. • PROLONGATE v. to prolong. |
| SAPROGENOUS | • saprogenous adj. Saprogenic. • SAPROGENOUS adj. growing on decaying material; causing putrefaction. |
| SONOGRAPHER | • sonographer n. Ultrasonographer. • SONOGRAPHER n. one who uses a sonograph, an instrument for recording and analysing sound. |
| SPERMOGONIA | • spermogonia n. Plural of spermogonium. • SPERMOGONIUM n. a flask-shaped structure in some fungi, also SPERMOGONE. |
| SPORANGIOLE | • sporangiole n. A fungal spore that is not enclosed by a sporangium. • SPORANGIOLE n. a sporangium containing one or few spores, also SPORANGIOLUM. |