Hyena
There are several animals whose names are five letters long and end in an "e". Some of them are listed here.AnodeCraneEagleFlukeGeeseGooseGrebeHorseLouseMooseMousePeweeSableSkateWhale
There are no possible five letter words from those letters.
white
adele
Yes, you can make the five-letter word "early" using the letters y, r, e, l, and a.
Elfin is one word that starts with e, has five letters, and the fourth letter is an i. A way to help find more words might be to make five spaces as you would in a game of hangman, and fill in the letters you know such as i and e.
There is no five letter word that can be made with the letters 'jzeiu'.
Some five letter words using DER are:adderalderciderderbyeiderelderodderolderorderriderudderunderwaderwider
An otter is an aquatic mammal.
Five letter word that can be made with the letters AEEOLRTV are:ALERTALTERAVERTEATERELATELATERLAVERLEAVELEVERLOVERORATEOVATEOVERTRAVELREAVERELETREVELTROVEVALETVALORVOLTEVOTER
Edger
Those letters will spell observe, obverse, and verbose. Some five letter words that can be made with those letters are:beersboresobeserovesserveseversoberveersverbsverse