There are many. To list some...
Ahead
Cycad
Dread
Gonad
Iliad
Salad
Squad
Stead
Tread
Triad
Plead
Bread
Broad
The word is lad.
strayed - if the word ends in vowel + y then just add -ed.If the word ends in consonant + y then the y changes to i then add -edmarry -- married
toad
ad
Canada.
improvise
Olympiad
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-AD-. That is, five letter words with 1st letter I and 3rd letter A and 4th letter D. In alphabetical order, they are: irade
ad in, Ashe
"Ad."
Ad
nutrition