གི་

[translation-eng] {Hopkins} (as genitive particle) of; by; in; which. (as non-case particle) and; but; (semi-colon) 

[comments] Comment: One of five genitive particles—gi, kyi, gyi, 'i, yi. 

གིས་

[translation-eng] {Hopkins} (as instrumental particle) by; by means of; with; because. (as non-case particle corruptly used in place of the non-case usage of genitive particles) but; and; (semi-colon) 

[comments] Comment: One of five instrumental particles—gis, kyis, gyis, 'is, yis. Also used adverbially.