The spelling of the phrase "traumatic balsam" is not as straightforward as it may seem. The word "traumatic" is spelled with the letters t-r-a-u-m-a-t-i-c, which can be transcribed as /trɔːˈmætɪk/ in IPA. Meanwhile, "balsam" is spelled b-a-l-s-a-m, with an IPA transcription of /ˈbɔːlsəm/. When combined, the phrase becomes a hard one to spell since it possesses phonemes that can conflict with each other. Nonetheless, the spelling of the phrase is essential to avoid confusions and misunderstandings.
Balsamum traumaticum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.