I
bath noun BrE AmE bɑːθ § bæθ AmE bæθ
▷ baths bɑːðz § bɑːθs, § bæθs, § bæðz AmE bæðz bæθs — Preference polls, British English: -ðz 50%, -θs 50%; American English, -ðz 50%, -θs 50%. Surprisingly, exactly half of each panel preferred the -θs form, traditionally considered non-standard. Some people differentiate between 'acts of bathing', with -θs , and 'bathtubs, bathhouses', with -ðz .
▷ bath's bɑːθs § bæθs AmE bæθs
▶ ˈ bath mat BrE AmE
▶ ˈ bath night BrE AmE
▶ ˈ bath salts BrE AmE
II
bath verb BrE AmE bɑːθ § bæθ AmE bæθ
▷ bathed bɑːθt § bæθt AmE bæθt
▷ bathing ˈbɑːθ ɪŋ § ˈbæθ- AmE ˈbæθ ɪŋ
▷ baths bɑːθs § bæθs AmE bæθs —This verb is not current in American English.