A word having a different meaning than another
antonym
An instrument for simultaneously transmitting and receiving speech or other sounds over a distance
telephone
Of, relating to, or having the nature of sound, especially speech sound
photograph
a word having the same meaning as another
synonym
Harmony, especially of sound or color.
symphony
copy of printed or written material produced by a process involving the action of light on a specially prepared surface.
photocopy
an abbreviation (such as FBI) formed from initial letters
acronym
One of two or more words, such as night and knight, that are pronounced the same but differ in meaning, origin, and sometimes spelling.
homophone
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
photosynthesis
a name by which a person refers to itself
autonym
Of, relating to, or having the nature of sound, especially speech sounds
phonics
An instrument for measuring a property of light, especially luminous intensity or flux
photometer