terrace vs terrasse

terrace is a noun but terrasse is not a noun.

Word	Noun	Adjective	Verb	Adverb
terrace	Yes	No	Yes	No
terrasse	No	No	Yes	No

As verbs, terrace and terrasse are synonyms defined as:

terrace (noun)	terrasse (noun)
usually paved outdoor area adjoining a residence
a row of houses built in a similar style and having common dividing walls (or the street on which they face)
a level shelf of land interrupting a declivity (with steep slopes above and below)

terrace (verb)	terrasse (verb)
make into terraces as for cultivation	provide (a house) with a terrace
provide (a house) with a terrace