As nouns the difference between sums and costs
is that sums is plural of lang=en while costs is plural of lang=en.
As verbs the difference between sums and costs
is that sums is third-person singular of sum while costs is third-person singular of cost.
sums
English
Noun
(head)
Verb
(head)
(sum)
Anagrams
*
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costs
English
Noun
(head)
Verb
(head)
(cost)
Anagrams
*