The best replacement for hiccup is hiccough.

The best alternatives to hiccup are rated as following:
★★★★★  hiccough
★★★★★  burp
★★★  enlive
★  astrid

Your alternative for hiccup is not listed? Suggest!
Speaking about hiccup, one probably shouldn't forget about first sip of soda.

Other search terms related to hiccup and their ratings are:
★★★★★ first sip of soda
★ toothless
You have in mind a companion for hiccup and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hiccup in all years. Click on graph for more.
hiccup
hiccough
burp