Multiple choice general knowledge Greek tack Spasibo diolch Efharisto Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Greek word for 'thank you' is 'Efharisto' (Ευχαριστώ). 'tack' is Swedish, 'Spasibo' is Russian, and 'diolch' is Welsh. Greek uses its unique alphabet and 'Efharisto' is the standard transliteration.