voiced fricative · 4 roots
ver-
Latin · energy 10
"truth, certainty, trustworthiness"
Verily · Verisign · Vercel
vel-
Latin · energy 10
"speed, motion, acceleration"
Vela · Velora · Velocity
zen-
Japanese (via Chinese chán via Sanskrit dhyāna) · energy 9
"meditation, calm clarity"
Zendesk · Zen · Zenly
volvo-
Latin · energy 8
"I roll / rolling"
Volvo
voiceless fricative · 5 roots
lex-
Latin / Greek · energy 8
"word, law, language"
Lexicon · Lexus · Lexis
son-
Latin · energy 5
"sound, audible quality"
Sonos · Sonatic · Sonance
surf-
English · energy 5
"surface, riding, wave-action"
Windsurf · Surfboard · Surfly
swift-
English · energy 7
"fast, quick"
Swift (Apple lang) · Taylor Swift · Swiftly
flux-
Latin · energy 7
"flow, motion"
Influx · Reflux · Fluxion