As nouns the difference between copal and copay
is that copal is a resinous exudation from various tropical trees used chiefly in making varnishes and printing ink while copay is a copayment.
As a verb copay is
to jointly pay with another or others.
copal
Noun
A resinous exudation from various tropical trees used chiefly in making varnishes and printing ink.
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copay
English
Verb
To jointly pay with another or others.