radical, staunch, base, fore, theme, root word, halt, stanch, root, shank, more...

root, base, end, whole, entirety

herbaceous, woody, tuberous, creeping, climbing, thorny, spiny, leafy, stemless, more...

main, long, short, single, slender, brain, central, underground, lower, hollow, common

math and science,   science and math,   part of steam,   spoon handle,   stanch or block,   issue (from),   occur as a result,   small stalk,   part of a plant,   goblet feature,   plant stalk,   goblet supporters,   part of plant