The spelling of the word "rathman" is somewhat unusual, but it can be explained phonetically with the International Phonetic Alphabet (IPA). The initial sound is the voiced alveolar fricative /ɹ/, which is followed by the short vowel sound represented by the symbol /æ/ and the voiceless dental fricative /θ/. Finally, the word ends with the voiced alveolar nasal /n/. Overall, "rathman" is spelled using a combination of voiced and voiceless fricative and nasal sounds, along with a short vowel.