iglu vs igloo

iglu and igloo both are nouns.

Word	Noun	Adjective	Verb	Adverb
iglu	Yes	No	No	No
igloo	Yes	No	No	No

As nouns, iglu and igloo are synonyms defined as:

iglu and igloo: an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome

iglu (noun)	igloo (noun)
an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome	an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome