The spelling of the word "ACXR" is a bit unusual and may be difficult to pronounce or decipher for some individuals. When using International Phonetic Alphabet (IPA) phonetic transcription, we can identify that the first letter "A" is pronounced like the sound in the word "cat". The letter "C" is pronounced like the sound in the word "check", while "X" is pronounced like the sound in the word "box". The letter "R" is pronounced like the sound in the word "car". Therefore, "ACXR" is pronounced as /æk-sər/.