As nouns the difference between penalties and costs
is that penalties is plural of lang=en while costs is plural of lang=en.
As a verb costs is
third-person singular of cost.
penalties
English
Alternative forms
* (archaic)
Noun
(head)
(plural only, informal) A penalty shootout.
Anagrams
*
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costs
English
Noun
(head)
Verb
(head)
(cost)
Anagrams
*