As nouns the difference between ravelin and raveling
is that ravelin is a fortification outside a castle used to split an attacking force; composed of two faces, forming a salient angle whose gorge resembles a half-moon while raveling is an alternative form of lang=en.
As a verb raveling is
present participle of lang=en.
ravelin
English
Noun
(
wikipedia ravelin)
(
en noun)
A fortification outside a castle used to split an attacking force; composed of two faces, forming a salient angle whose gorge resembles a half-moon