78 vs seventy-eight

78 and seventy-eight both are nouns.

Word	Noun	Adjective	Verb	Adverb
78	Yes	Yes	No	No
seventy-eight	Yes	Yes	No	No

As adjectives, 78 and seventy-eight are synonyms defined as:

Other synonyms of 78 include lxxviii.

As nouns, 78 and seventy-eight are synonyms defined as:

78 and seventy-eight: a shellac based phonograph record that played at 78 revolutions per minute

As nouns, 78 and seventy-eight are synonyms defined as:

78 and seventy-eight: the cardinal number that is the sum of seventy and eight

Other synonyms of 78 include LXXVIII.

78 (noun)	seventy-eight (noun)
a shellac based phonograph record that played at 78 revolutions per minute	a shellac based phonograph record that played at 78 revolutions per minute
the cardinal number that is the sum of seventy and eight	the cardinal number that is the sum of seventy and eight

78 (adjective)	seventy-eight (adjective)
being eight more than seventy	being eight more than seventy