great-great-grandmother, a grandparent's grandmother

deuterium; heavy hydrogen

sausage

base, basis, foundation, ground, root / (construction, architecture) foundation

organization (a group of people with a purpose) / system (a group of people) / (biology) tissue (a group of similar cells that function together to do a specific job)

software / video game

gallium arsenide

material for making something such as food, web page, art, / material for writing a document

Sofia (the capital city of Bulgaria)

chili sauce, hot sauce