root

[1]	root for , cheer (for) , applaud (for) , boost , support , encourage , urge on
[2]	plant , set , establish , found , fix , settle , embed/imbed , entrench , anchor
[3]	root out , root up , uproot , eradicate , eliminate , destroy , extirpate , exterminate find , uncover , discover , dig up/out , unearth , turn up , bring to light
[4]	rout , rootle
[5]	settle , take root , steady down , settle down

[1]	base , basis , foundation , source , seat , cause , fountain-head , origin , fount , well-spring
[2]	rootstock , beginning , origin , rootstalk , tap root , rootage , source , rootlet , tuber , (Technical) radix , radicle , radicel , rhizome , rhizomorph
[3]	root and branch , root word , radically , base , completely , stem , theme , utterly , entirely , radical , wholly , totally
[4]	roots , origins , heritage , family , lineage , house , antecedents , forefathers , foremothers , descent , genealogy , family tree , forebears , ancestors , predecessors , stock , pedigree , birthplace , motherland , fatherland , native land/country/soil , cradle
[5]	take root , solution , become set/established/settled , germinate , sprout , grow , develop , thrive , burgeon , flourish , spread
[6]	ancestor , ascendant , ascendent , antecedent
[7]	etymon
[8]	tooth root