1. Airsick, airsickness, airsicknesses, antick, Anticked, anticking, anticks See the full list of words here!

2. If you use it as a verb, remember to add a K before any suffix: Anticked, anticking

3. Inflections of 'antic' (v): (⇒ conjugate) antics v 3rd person singular anticking v pres p verb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing." Anticked v past verb, past simple: Past tense--for example, "He saw the man."