Montgomery vs L. M. Montgomery

Montgomery and L. M. Montgomery both are nouns.

Word	Noun	Adjective	Verb	Adverb
Montgomery	Yes	No	No	No
L. M. Montgomery	Yes	No	No	No

As nouns, Montgomery and L. M. Montgomery are synonyms defined as:

Other synonyms of Montgomery include Lucy Maud Montgomery.

Montgomery (noun)	L. M. Montgomery (noun)
the state capital of Alabama on the Mobile River	Canadian novelist (1874-1942)
English general during World War II; won victories over Rommel in North Africa and led British ground forces in the invasion of Normandy (1887-1976)
Canadian novelist (1874-1942)