Related by context. Frequent words. (Click for all words.) 40 SpaceShipOne 40 dampened 38 ebbed 38 Ansari X 37 Enthusiasm 36 fever pitch 36 waned 35 Burt Rutan 34 intensified 34 billionaire Richard Branson 34 evaporated 34 Solar Impulse 34 dulled 32 designer Burt Rutan 32 slackened 32 spreads widened 32 heightened 31 soared 31 sapped 31 dampens 31 renewed 31 Waning 30 wanes 30 Melvill 30 rekindled 30 wavered 30 tempered 30 buoyed 30 dampening 30 dissipated 30 Fuelled 30 entrepreneur Richard Branson 30 gripped 30 Heightened 30 spiked 30 kindled 30 X Prize 29 Scaled Composites 29 palpable 29 suborbital flight 29 dimmed 29 ebbing 29 manned spaceflight 29 ratcheted 29 Excitement 29 peaked 29 aroused 29 subsided 29 Optimism 29 stoked 29 giddy 29 boosted 29 dampen 29 fueled 28 GlobalFlyer 28 Sir Richard Branson 28 X PRIZE Foundation 28 underpinned 28 basked 28 tensions flared 28 Sparking 28 whetted 28 SpaceDev 28 neared 28 SpaceShipTwo 28 piquing 28 Fueling 28 Agni III 28 feverish 28 Giddy 28 Intensifying 28 Wilbur Wright 28 abounded 28 pared gains 27 Renewed 27 sub orbital 27 enthusiasm 27 curbed 27 reignited 27 intellectual curiosity 27 eased 27 undimmed 27 Virgin Galactic 27 exuberance 27 exuded 27 foundered 27 risen sharply 27 buoying 27 wavering 27 bubbled 27 clouded 27 abated 27 quintupled 27 suborbital 27 NASA Dryden Flight 27 remains undiminished 27 reigniting 27 Interview Richardson 27 fizzled 27 nervousness 27 quelled