Term: headmaster: presiding officer of a school
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: orcinus: killer whales
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: downy woodpecker: small North American woodpecker with black and white plumage and a small bill
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: west virginian: a native or resident of West Virginia
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: union: a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: woodwaxen: small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: ordinand: a person being ordained
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: picosecond: one trillionth (10^-12) of a second; one thousandth of a nanosecond
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: collection: the act of gathering something together
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: flathead: pallid bottom-dwelling flat-headed fish with large eyes and a duck-like snout
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: number theorist: a mathematician specializing in number theory