| AEROMOTORS | • aeromotors n. Plural of aeromotor. • AEROMOTOR n. an engine for aircraft. |
| ARROWROOTS | • arrowroots n. Plural of arrowroot. • arrow-roots n. Plural of arrow-root (alternative form of arrowroots). • ARROWROOT n. a West Indian plant with fleshy tuberous rhizomes; a pure edible starch made from this. |
| ARROWWOODS | • arrowwoods n. Plural of arrowwood. • ARROWWOOD n. a shrub growing in damp woods and thickets, so called from the long, straight, slender shoots. |
| BOARDROOMS | • boardrooms n. Plural of boardroom. • board-rooms n. Plural of board-room. • board␣rooms n. Plural of board room. |
| COOPERATOR | • cooperator n. One who cooperates; an associate. • coöperator n. Alternative spelling of cooperator. • co-operator n. Alternative spelling of cooperator. |
| CORALROOTS | • coralroots n. Plural of coralroot. • CORALROOT n. a kind of orchid. |
| CORPORATOR | • corporator n. (Dated) A member of a corporation, especially one of the original members. • CORPORATOR n. a member of a corporation, esp. one of the original members. |
| DRAGONROOT | • dragonroot n. The plant green dragon. • DRAGONROOT n. (US) an araceous plant (genus Arisaema) or its tuberous root, used in medicine. |
| FLOORBOARD | • floorboard n. Any of the long boards laid over joists to make a floor. • floorboard n. The floor of a car. • floorboard v. To sink the gas pedal into the floorboard of the car, in order to bring the car to the highest possible speed. |
| GONORRHOEA | • gonorrhoea n. (British spelling) Alternative spelling of gonorrhea. • gonorrhœa n. Obsolete spelling of gonorrhea. • GONORRHOEA n. a sexually transmitted contagious infection of the mucous membrane of the genital tract, also GONORRHEA. |
| LOGORRHOEA | • logorrhoea n. (British spelling) Alternative spelling of logorrhea. • logorrhœa n. (British spelling) Obsolete spelling of logorrhea. • LOGORRHOEA n. uncontrollable garrulity. |
| OTORRHOEAS | • otorrhoeas n. Plural of otorrhoea. • OTORRHOEA n. a discharge from the ear. |
| PROVOCATOR | • provocator n. One who engages in provocation. • PROVOCATOR n. one who provokes. |
| ROTOVATORS | • rotovators n. Plural of rotovator. • ROTOVATOR n. (tradename) a tool for breaking up the soil, also ROTAVATOR. |