As adjectives the difference between multicountry and multicounty
is that multicountry is spanning or encompassing many countries while multicounty is consisting of, or pertaining to, multiple counties.
multicountry
English
Adjective
(-)
Spanning]] or encompassing many [[country, countries.
Synonyms
* transnational multicounty
English
Adjective
(-)
Consisting of, or pertaining to, multiple counties.