Defect, burden, deficiency, and liability. I got these from http://thesaurus.com/browse/disadvantage
disadvantage, difficulty, handicap, deficiency, flaw, hitch, snag, downside
Preferable, superior or simply better, like Roget's Thesaurus or Collins' Gem Dictionary of Synonyms and Antonyms.
They are synonyms.
Synonyms
Relative and kin are synonyms.
Disadvantage is a noun.
They are synonyms.
synonyms
The synonyms for upon is on
synonyms for prominence:importancefamestatureprestige
Are there synonyms for washable
Synonyms for Brake:AnchorBlockConstraintDecelerateDeterrentHaltHindranceObstacleRestraintStop