regur soil vs regur

regur soil and regur both are nouns.

Word	Noun	Adjective	Verb	Adverb
regur soil	Yes	No	No	No
regur	Yes	No	No	No

As nouns, regur soil and regur are synonyms defined as:

regur soil (noun)	regur (noun)
a rich black loam of India	a rich black loam of India