The letters can be used to spell the 8 letter word beeyards (an apiary). They also spell the word belayers (one that fastens a rope).
Five letter words starting with G that can be made with those letters are giver and grove.
antidisestablishmentarisms Alphabet - 26 letters, starts with A
You is not a letter it is three letters in a word.
extinguish
A science word that is six letters ans starts with the letter c is convex.
seeds.
Jawed.
axis
One word that fits your criteria is "distant." It starts with the letter 'd,' ends with 't,' and contains seven letters.
advertisementaccompanimentacupuncturistapportionment
scallop
Swiss.