Loose, adj. free, available
v. to release or unfasten
Lose, v. to fail to keep, to give up
Be careful, if you let loose the knot, the dog might get loose, and we could lose him!
***
Lightening, v. participle of “lighten” – to make brighter or less heavy
Lightning, n. a bright electric spark (usually discharged in the atmosphere)
adj. resembling lightning
As the lightning storm was lightening the sky, Harry ran across the field with lightning speed, his mood lightening as he found safety in the barn.
***
Low, adj. occurring not far above the ground
adv. near the ground
v. to moo
Lo, int. (expression of surprise, i.e. Look! See!)
Lo, the cows low in the low field.
***
Led, v. simple past of “lead” – to escort, show the way
Lead, n. a bluish-gray metal
Tim led the group to the lead pipe, which had been dropped on the floor of the billiard room.
NB: When “lead” has to do with escorting, etc. it is pronounced “leed.”
When it has to do with the metal, it is pronounced “led”
Find out more about the A to Z Challenge
Definitions used or adapted from dictionary.com
See also: Intro, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, Outro
Maggie Writes Stuff 
Thanks for the useful grammar tips
You’re welcome! Thanks for stopping by 🙂
I can understand why English learners can get so confused with the language.
Arlee Bird
A to Z Challenge Co-host
Tossing It Out
Indeed! I’ve been blown away by the intensity of the full definitions for some of these words. There are so many meanings that I haven’t thought twice about, simply because I’m a native speaker. It’s been wonderful to become so much more aware of the complexities of the language.