• gias,
• ggc,
• wgio,
• aio,
• gism,
• zim,
• aiz,
• axs,
• bfs,
• bgi,
• bih,
• gust,
• ciu,
• cik,
• dts,
• xes,
• egisz,
• geis,
• egiss,
• ggis

• Gigi,
• giese,
• g's,
• Mis-,
• gigo,
• gizzi,
• 'tis,
• GIES,
• wis.,
• gisi,
• is,
• gig,
• gas,
• giza,
• gish,
• dis-,
• gin,
• His,
• i's.

The adjective form of "GIS" is "geographic".

The plural form of the word "GIS" is also "GIS".

The plural of the "gis" can be the "gis".

The singular form of "GIS" is "geographic information system"

The singular of the "gis" can be the "gus".