sixth BrE AmE sɪksθ sɪkstθ, !!sɪkθ
▷ sixths sɪksθs sɪkstθs, !!sɪkθs —but in casual speech both singular and plural are sometimes sɪks or sɪkst
▶ ˈ sixth form BrE AmE
▶ ˌ sixth ˈ sense BrE AmE
sixth BrE AmE sɪksθ sɪkstθ, !!sɪkθ
▷ sixths sɪksθs sɪkstθs, !!sɪkθs —but in casual speech both singular and plural are sometimes sɪks or sɪkst
▶ ˈ sixth form BrE AmE
▶ ˌ sixth ˈ sense BrE AmE
Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012