Wisdom of Jesus the Son of Sirach vs Ecclesiasticus

Wisdom of Jesus the Son of Sirach and Ecclesiasticus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wisdom of Jesus the Son of Sirach	Yes	No	No	No
Ecclesiasticus	Yes	No	No	No

As nouns, Wisdom of Jesus the Son of Sirach and Ecclesiasticus are synonyms defined as:

Wisdom of Jesus the Son of Sirach and Ecclesiasticus: an Apocryphal book mainly of maxims (resembling Proverbs in that respect)

Other synonyms of Wisdom of Jesus the Son of Sirach include Ben Sira, Sirach.

Wisdom of Jesus the Son of Sirach (noun)	Ecclesiasticus (noun)
an Apocryphal book mainly of maxims (resembling Proverbs in that respect)	an Apocryphal book mainly of maxims (resembling Proverbs in that respect)