Simpson vs Wallis Simpson

Simpson and Wallis Simpson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Simpson	Yes	No	No	No
Wallis Simpson	Yes	No	No	No

As nouns, Simpson and Wallis Simpson are synonyms defined as:

Simpson and Wallis Simpson: United States divorcee whose marriage to Edward VIII created a constitutional crisis leading to his abdication

Simpson (noun)	Wallis Simpson (noun)
Scottish obstetrician and surgeon who pioneered in the use of ether and discovered the anesthetic effects of chloroform (1811-1870)	United States divorcee whose marriage to Edward VIII created a constitutional crisis leading to his abdication
United States divorcee whose marriage to Edward VIII created a constitutional crisis leading to his abdication