haik / hike are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
haik: (noun) an outer garment consisting of a large piece of white cloth; worn by men and women in northern Africa.
hike: (noun) a long walk usually for exercise or pleasure. (verb) increase. (verb) walk a long way, as for pleasure or physical exercise.
haik: hh·EY·k
hike: hh·AY·k
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)