Praetorian vs Pretorian

Praetorian is a noun but Pretorian is not a noun.

Word	Noun	Adjective	Verb	Adverb
Praetorian	Yes	Yes	No	No
Pretorian	No	Yes	No	No

As adjectives, Praetorian and Pretorian are synonyms defined as:

Praetorian and Pretorian: characteristic of or similar to the corruptible soldiers in the Praetorian Guard with respect to corruption or political venality

Praetorian (noun)	Pretorian (noun)
a member of the Praetorian Guard

Praetorian (adjective)	Pretorian (adjective)
characteristic of or similar to the corruptible soldiers in the Praetorian Guard with respect to corruption or political venality	characteristic of or similar to the corruptible soldiers in the Praetorian Guard with respect to corruption or political venality