As nouns the difference between fad and faddism
is that fad is a phenomenon that becomes popular for a very short time while faddism is the behaviour of a faddist; following fads.
fad
English
Noun
(
en noun)
A phenomenon that becomes popular for a very short time.
Anagrams
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faddism
English
Noun
(-)
The behaviour of a faddist; following fads.