As a noun refrains
is .
As a verb retrains is
(retrain).
refrains
English
Noun
(head)
Verb
(head)
(refrain)
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retrains
English
Verb
(head)
(retrain)
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retrain
English
Verb
to train again; especially, to train or study in a new subject or job
* '>citation
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