Labor, exert.
Endeavour
I've is a word that means I have. I'll is a word that means I will.
Pester is a six letter word that means to annoy
laurel, usurer, neural, neuron, course, plural, source, sturdy
little, kettle, mettle, cattle, rattle, tattle, saddle, waddle
It means applied, or used, as in to put forth an effort, e.g. He exerted a lot of energy to reach the summit. The word (noun "exertion") has the connotation of being a "strenuous" effort.
trait
Evolve, Evoke, Educe, extract
I am anxious to hear the explanation you are about to put forth. Please put forth your left foot.
The word is 'cinch'.
trudge
adverseassertsbisectscamerascarefulcavemandiversedeceivedependsdesertsdeservefireflyfiremanforeverforestsforeseefreedomgrievesinfestsingestsimmenseinsectsintegerintendsintensemomentsobserveparentsreceivereleaserepealsresealsresentsrevealsreverseshieldssomedaysomewaysomeonestretchtalents
U is the second letter in the word quarter.
"Oscillate" means to move back and forth in a regular rhythm.
U
u as in quarter
sheriff