That is impossible - light has five letters!
Using 4 letters from the world lights you can make lots of words. Examples include:
Slit.
This.
Hits.
Hilt.
Gilt.
There are others.
Call, mall, doll, wall, loll, gall, ball, fall, hall, jail,
Depending on context, "light" could mean luster, dazzle, aspect, expert, master, leader, ignite, kindle, bright, pastel, blonde, golden, flaxen
flame, flare
neon
Dark.
Photon
Comedy
luster
6 Letter word starts with A is "Africa".
A 6 letter word for apportion is.....parcel
Beetle is a 6 letter word that has 'e' as the third letter.
A seven letter word for "sheds light" is lantern.As in "pass me that lantern".
letter ?
Polite is a 6-letter word that is the opposite of rude.
a 6 letter word ending with a w is borrow.
Can't get a 7 letter word with only 6 letters. The 6 letter word is DESIST.
The 6 letter word for plentiful is Plenty.