How to say fiendishly in different languages

You can say fiendishly as diaboliquement in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say fiendishly as tremendamente, diabólicamente in the following countries: Argentina; Bolivia; Chile; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Guatemala; Honduras; Mexico; Nicaragua; Panama; Paraguay; Peru; Spain; Uruguay; Venezuela;

You can say fiendishly as diabolicamente in the following countries: Angola; Brazil; Cabo Verde; Guinea-Bissau; Mozambique; Portugal; Sao Tome and Principe;

You can say fiendishly as höllisch, verdammt in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say fiendishly as djävulskt in the following countries: Aland Islands; Sweden;

You can say fiendishly as па-чартоўску in the following countries: Belarus;

You can say fiendishly as ďábelský in the following countries: Czechia;

You can say fiendishly as ördögien in the following countries: Hungary;

You can say fiendishly as fiendishly in the following countries: Latvia;

You can say fiendishly as diabelnie in the following countries: Poland;

You can say fiendishly as жестоко, дьявольски in the following countries: Russia;

You can say fiendishly as жорстоко in the following countries: Ukraine;