How many words can you make out of earth day?

Answer 1

Tar, yard, rat, dart, eat, hard, dry, drat, hat, tad, ted, hey, hay, death, thread, head, ray, i think that's it. So, 17.I have a few more for you: the, they, hear, ear, tea, tear, at, a, rate, rated, ate, heard, year, yeah, yet, hate, hated, data, heart, heat, hearty, date, are, art.

3-letter words

aah, aha, are, art, ate, aye, dah, day, dey, dry, dye, ear, eat, edh, era, eta, eth, had, hae, hat, hay, her, het, hey, rad, rah, rat, ray, red, ret, rya, rye, tad, tae, tar, tea, ted, the, thy, try, tye, yah, yar, yea, yeh, yet

4-letter words

aery, area, arty, ayah, dare, dart, data, date, dear, drat, dray, dyer, eath, eyra, haar, hade, haed, haet, hard, hare, hart, hate, head, hear, heat, herd, hyte, rate, rath, raya, read, rhea, tahr, tare, tear, thae, they, trad, tray, trey, tyre, yard, yare, yeah, year

5-letter words

aahed, adyta, ahead, arhat, dater, deary, death, derat, deray, earth, hardy, hared, hated, hater, hayed, hayer, heady, heard, heart, hydra, rated, rathe, rayah, rayed, ready, reata, rhyta, tardy, tared, teary, trade, tread, tyred

6-letter words

datary, dearth, deathy, earthy, hatred, hearty, hydrae, thread

7-letter words

hydrate, thready

Answer 2

500