IPA: //trænˈsoʊʃənɪk//
KK: /trænˈsoʊʃənɪk/
Relating to something that is located across or beyond the ocean.
The transoceanic flight took over twelve hours to reach its destination.
Transoceanic → It is formed from "trans-" (meaning across) and "oceanus" (from Latin, meaning ocean) and the suffix "-ic" (meaning pertaining to). The word "transoceanic" refers to something that pertains to or crosses the ocean.
Think of 'across' ('trans-') and 'ocean' ('oceanus') to remember that 'transoceanic' means something that goes across the ocean.
No commonly confused words.