1. faith, trust fid, fide, feder Root Meaning Examples
confidante, fidelity, confident, infidelity, infidel, federal, confederacy, semper fi

2. factory, fiction confection fact, amplification
Fac, fact, fic, fect
Root Meaning Examples
Do, make
factory, fiction confection fact, amplification

3. erg work energy, erg, allergy, ergometer, ergograph, ergophobia
Root Meaning Examples
erg
work
energy, erg, allergy, ergometer, ergograph, ergophobia

4. fallacy, falsify, fallacious
Root Meaning Examples
fall, fals
deceive
fallacy, falsify, fallacious

5. ferry, coniferous, fertile, defer, infer, refer, transfer
Root Meaning Examples
fer
bear carry
ferry, coniferous, fertile, defer, infer, refer, transfer

6. filet, filament, filter, filibuster
fila, fili
Root Meaning Examples
thread
filet, filament, filter, filibuster

7. fix, fixation, fixture, affix, prefix, suffix
Root Meaning Examples
fix
fix
fix, fixation, fixture, affix, prefix, suffix

8. flect, flex
Root Meaning Examples
bend
flex, reflex, flexible, flexor, inflexibility, reflect, deflect

9. influence, fluid, flue, flush, fluently, fluctuate
flu, fluc
Root Meaning Examples
flowing
influence, fluid, flue, flush, fluently, fluctuate

10. final, finite, finish, confine, fine, refine, define, finale
Root Meaning Examples
end
final, finite, finish, confine, fine, refine, define, finale