If you meant to write "gipss" and realized it's a misspelling, here are some possible correct suggestions: "gips" or "gypsum". Both words refer to the same material commonly used in construction and medical applications.
CILSS
CILSS (the Permanent Interstate Committee for Drought Control in the Sahel) was established in 1973 to combat drought and desertification in Africa.
Dips The vegetable platter usually comes with ranch dips.
Gives The charity gives out food to the homeless every day.
Glass I accidentally dropped my glass and it shattered into a million pieces on the ground.
Gloss She added a coat of gloss to her lips before heading out to the party.
GNSSGNSS (Global Navigation Satellite System) is a space-based positioning system that provides location and time information in all weather conditions, anywhere on Earth.
GPIS
GPRS My phone plan always includes GPRS service for internet access on the go.
GPS The GPS system helped the rescue team locate the lost hikers in the wilderness.
GPUsGPUs are commonly used in gaming computers to enhance graphics and performance.
Grass I love rolling around in the grass on a sunny day.
Gripes Her constant gripes about the traffic were getting old.
Grips She grips the handlebars tightly as she speeds down the mountain bike trail.
Gross The moldy bread in the garbage can smells gross.
GRPSGRPS stands for General Packet Radio Service, which is a mobile data service used on 2G and 3G cellular communication systems.
Guess I can guess what time it is based on the position of the sun.