favourable position vs superiority

favourable position and superiority both are nouns.

Word	Noun	Adjective	Verb	Adverb
favourable position	Yes	No	No	No
superiority	Yes	No	No	No

As nouns, favourable position and superiority are synonyms defined as:

favourable position and superiority: the quality of being at a competitive advantage

Other synonyms of favourable position include favorable position.

favourable position (noun)	superiority (noun)
the quality of being at a competitive advantage	the quality of being superior
	the quality of being at a competitive advantage
	displaying a sense of being better than others
	the state of excelling or surpassing or going beyond usual limits