gramophone vs Victrola

gramophone and Victrola both are nouns.

Word	Noun	Adjective	Verb	Adverb
gramophone	Yes	No	No	No
Victrola	Yes	No	No	No

As nouns, Victrola is a hyponym of gramophone; that is, Victrola is a word with a more specific, narrower meaning than gramophone:

gramophone: an antique record player; the sound of the vibrating needle is amplified acoustically
Victrola: a brand of gramophone

gramophone (noun)	Victrola (noun)
an antique record player; the sound of the vibrating needle is amplified acoustically	a brand of gramophone