The spelling of the word "ATCDABS" uses the International Phonetic Alphabet (IPA) to represent each sound. It can be pronounced as /æt.si.diː.æbz/. The first sound is /æ/, as in "cat," followed by the sound /t/, then /s/ as in "snake," and the vowel sound /iː/ as in "see." The second half of the word starts with the sound /d/, followed by a longer vowel sound /iː/. Finally, the word ends with the consonant sounds /æbz/, as in "absurd."