The word "ottesen" is spelled with the IPA phonetic transcription /ɑtəsən/. This word is relatively uncommon and may refer to a person's last name. The first syllable, pronounced as "at," uses the vowel sound /ɑ/ (similar to the "a" sound in "father"), and the second and third syllables, "se" and "en," use the schwa sound /ə/. The consonant sounds in "ottesen" include the voiceless /t/ and the voiced /s/ sounds.