As nouns the difference between pro and aro
is that pro is an advantage of something, especially when contrasted with its disadvantages (cons) while aro is an androsexual male or SGA male.
As a preposition pro
is in favor of.
As a symbol PRO
is A theoretical phonologically null pronoun
pro
Translingual
Abbreviation
(Abbreviation)
(head)
ISO 639 code for
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aro
English
Noun
(
en noun)
An androsexual male or SGA male
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