The word "GREK" is a non-English word that refers to a Greek person or anything related to Greece. The correct spelling is "Greek," which is pronounced as /griːk/ in IPA phonetic transcription. The "g" sound is a voiced velar stop, while the "r" sound is a voiced alveolar approximant. The "ee" is pronounced as a long vowel /i:/ and the "k" is pronounced as an unvoiced velar stop. The correct spelling and pronunciation are essential to ensure effective communication in both written and spoken language.