Sir Edmund Hillary vs Sir Edmund Percival Hillary

Sir Edmund Hillary and Sir Edmund Percival Hillary both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir Edmund Hillary	Yes	No	No	No
Sir Edmund Percival Hillary	Yes	No	No	No

As nouns, Sir Edmund Hillary and Sir Edmund Percival Hillary are synonyms defined as:

Sir Edmund Hillary and Sir Edmund Percival Hillary: New Zealand mountaineer who in 1953 first attained the summit of Mount Everest with his Sherpa guide Tenzing Norgay (born in 1919)

Other synonyms of Sir Edmund Hillary include Edmund Hillary, Hillary.

Sir Edmund Hillary (noun)	Sir Edmund Percival Hillary (noun)
New Zealand mountaineer who in 1953 first attained the summit of Mount Everest with his Sherpa guide Tenzing Norgay (born in 1919)	New Zealand mountaineer who in 1953 first attained the summit of Mount Everest with his Sherpa guide Tenzing Norgay (born in 1919)