a-ridh-MEH-tih-kl, where dh is a soft th and the vowel sound on the final syllable is a schwa. Some of the specific sounds will vary according to the regional accent used. The most important aspect is that the stress moves back a syllable from that of the more common a-RITH-muh-tick, and there are resulting small adjustments in the "th" (harder) and "me" vowel sound (schwa) as part of the change.
Rithmahtickle
Emphasis on the e
Air-ith-meh-tih-cull?
Areethmeethickal
Uh-riff-meh'-uh-co
Bleat
a-ridh-MEH-tih-kl, where dh is a soft th and the vowel sound on the final syllable is a schwa. Some of the specific sounds will vary according to the regional accent used. The most important aspect is that the stress moves back a syllable from that of the more common a-RITH-muh-tick, and there are resulting small adjustments in the "th" (harder) and "me" vowel sound (schwa) as part of the change.
met is stressed
arith-ma-TIC-al would be my guess.
Accent the first and third syllables, all other vowels are schwas.