unload
Unite )
use
Some verbs that start with E are:eatearnekeevenedgeendenergizeelevateenbalmenableenteremancipateevolveemployembraceembroilengageeliminateemphasizeemergeequateevaluateendureeducateease
Unifier (first group verb, conjugates as "aimer"), unir (second group verb, conjugates as "finir").
nouns:Uncle JimUtahumbrellaunicycleumpireuniverseukuleleverbs:useunderstandunderlineunbuttonunlockuncoverunderlineadjectives:uniqueuglyusefuluniversaluncommonunanimousunusual
Begin
Underachieve, underestimate, undergo, understand, undertake, undress, unearth, unfasten, unfold, unify, unite, unlock, unpack, update, upgrade, uphold, upset, use and utilize are verbs. They begin with the letter u.
Some verbs that begin with the letter i:identifyillustrateimplementimproveimproviseinduceinfiltrateinfluenceinforminitiateinjectinjureinlayinnovateinsinuateinspectinspireinstallinstigateinstituteinstructintegrateinterfereinterrogateinterpretinterruptinterviewintroduceinventinventoryinvestigateinviteirritateitch
FightFlyFlick
Here's one 9-letter verb with U as the second letter: Duplicate There may be more, but that's a start...
bouncing
fishfightfirefallflingflirtfortifyflyfearfeelfailfartfleefastenfloatflossfellform