As verbs the difference between upsells and upswells
is that upsells is (upsell) while upswells is (upswell).
As a noun upswells is
.
upsells
English
Verb
(head)
(upsell)
upsell
English
Verb
To persuade a customer to buy more than he or she had intended.
upswells
English
Noun
(head)
Verb
(head)
(upswell)