quiet
Yekkeh Soud-e Sofla's population is 2,388.
The population of Yekkeh Soud-e Olya is 1,657.
explainable
David Soud has written: 'Deve loping an executive information system for KIAD'
Bodo Wegmann has written: 'SOUD' -- subject(s): History, Intelligence service, SOUD, Secret service
verb
No, because it does not describe/explain an adjective.
An Adjective is a word that describes a Noun. (That's the simplest definition of Adjective that you'll be able to find.)
Treesa Etheredge Soud has written: 'Manual of pediatric emergency nursing' -- subject(s): Emergency nursing, Pediatric emergencies, Pediatric nursing
The member of parliament for Jang'ombe is Mohammed Rajab Soud.
The verb "to explain" has adjective forms explained, explaining, and explanatory.
The use of an adjective is to explain a noun, making your idea more clear to the reader.