pedestal, stand
bag
base of operations
foot, foundation, fundament, groundwork, substructure, understructure
infrastructure
basis, cornerstone, foundation, fundament, groundwork
radical, root, root word, stem, theme
floor
al Qaeda, al Qaida, al-Qa'ida, al-Qaeda, al-Qaida, Qaeda
home
radix
basis
alkali
nucleotide
establish, found, ground
free-base
baseborn
mean, meanspirited
baseborn, humble, lowly
basal
immoral