The word "tack claw" is spelled as /tæk klɔː/ in IPA phonetic transcription. The "tack" is pronounced with a short "a" sound, followed by a hard "k" consonant. The "claw" is pronounced with a similar "aw" sound, also followed by a hard "k" sound. Together, the two words form a compound word, referring to a type of nail or fastener that features a claw-like shape at the end. The spelling of this word reflects its origin as a compound of two distinct words.