Ah, omg, and ack are all synonyms for yikes. Phew and relief are antonyms of yikes. And here are 98 another word for yikes.
Omg, ack, ah, blimey, by george, by god, by golly, by gummy, cor, crikey, cripes, dear lord, dear me, dearie me, deary me, eek, eek, eep, gadsbud, gadzooks, gee whiz, gee, geez, golly, good god, good golly, good gracious me, good gracious, good gravy, good grief, good heavens, goodness gracious me, goodness gracious, goodness me, goodness, gosh, gracious, great scott, heavens to betsy, heavens, hey, holy moses, holy cow, holy crap, holy guacamole, holy mackerel, holy moley, holy smoke, holy smokes, jeepers, jeez, jeez, jinkies, kazowie, lord, my goodness, my lord, my my, my oh my oh my, my oh my, my word, my, no way, odd bodkins, oh dear, oh man, oh my god, oh my goodness, oh my, oh no, oh wow, oh, oh, ooh la la, stone me, stone the crows, tsk tsk, tut tut, uh-oh, well well well, well, whoa, whoa, why, woah, wow, wow, wowee, wowser, wowsers, wowzah, wowzer, yeep, zoiks, zoinks, zowie, and oh no are all synonyms for yikes.
Yikes synonym page has a variety of synonyms that differ in length. 4 synonyms with 2, and 12 letters and 11 synonyms with 3 letters. 14 synonyms with 4, and 6 letters and 8 synonyms with 5 letters.
15 synonyms with 7 letters and 7 synonyms with 8 letters. 6 synonyms with 9, and 10 letters and 1 synonym with 11, 16, and 18 letters. 2 synonyms with 13, and 14 letters. For a total of 96 another word for yikes.
Yikes! That was a close call.
Yikes, this test is harder than expected.
Yikes, I almost dropped my phone!
Yikes, did you see that car accident?