Synonyms of egad

1 Syllable
oops, rah, pooh, oop, hey, ugh, ah, wow, um, er, boo, ouch, ums, ers, huh, shucks, phooey, psst, phew, oh
2 Syllables
hooray, oh's, hello, hurrah, amen, whoopee, ahem, golly, jeepers, alas
4 Syllables
interjections, interjection, exclamation