stead vs lieu

stead and lieu both are nouns.

Word	Noun	Adjective	Verb	Adverb
stead	Yes	No	No	No
lieu	Yes	No	No	No

As nouns, stead and lieu are synonyms defined as:

stead and lieu: the post or function properly or customarily occupied or served by another

Other synonyms of stead include place, position.

stead (noun)	lieu (noun)
the post or function properly or customarily occupied or served by another	the post or function properly or customarily occupied or served by another