Word: Northumberland
Part of speech: Proper noun
Syllables: nor
thum
ber
land
Definition: Proper noun~ An English dukedom.
Morphemes:
Affix: north
Language: en
PoS: Adjective
Meaning: Of or pertaining to the north; northern.
Affix:  Humber
Language: en
PoS: Proper noun
Meaning: Proper noun~ A  surname​.
Affix: land
Language: en
PoS: Noun
Meaning: realm, domain.