English
synonymousness
From synonymous + -ness.
Formed from synonymous + -ness
Ancient Greek ὄνῠμᾰ ‘name’
Ancient Greek συνώνυμος ‘having the same name’
Medieval Latin synōnymus
English synonymous
Today it means
noun The quality of being synonymous.
Language periods are conventional ranges, not dates for this word.
Etymograph / synonymousness