As nouns the difference between rills and mills
is that
rills is plural of lang=en while
mills is plural of lang=en.
As a proper noun Mills is
{{surname|A=An|English and Scottish|from=Middle English}}, variant of Mill or Miles.
As a verb mills is
third person singular present tense of the verb
to mill
rills
English
Noun
(head)
mills
English
Proper noun
(
en proper noun)
, variant of Mill or Miles.
, from the Gaelic Mhuilinn (of the mill).