As nouns the difference between topics and subjects
is that topics is plural of lang=en while subjects is plural of subject.
As a verb subjects is
third-person singular of subject.
topics
English
Noun
(head)
Anagrams
*
*
subjects
English
Etymology 1
See (subject) (noun)
Noun
(head)
Etymology 2
See (subject) (verb)
Verb
(head)
(subject)