As nouns the difference between cill and cirl
is that cill is more usual spelling of sill when used in the context of an underwater horizontal member which forms the base of a lock gate on a canal or river while cirl is the cirl bunting.
cill
English
Noun
(
en noun)
More usual spelling of sill when used in the context of an underwater horizontal member which forms the base of a lock gate on a canal or river.
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