Hadith 4762
وَفِي رِوَايَةٍ لَهُ عَنْ وَائِلِ بْنِ حُجْرٍ قَالَ: لَا تَقُولُوا: الْكَرْمُ وَلَكِنْ قُولُوا: الْعِنَبُ والحبلة
And in the hadith narrated by Wa'il bin Hujr (may Allah be pleased with him) in Muslim, the Prophet (peace and blessings of Allah be upon him) said: "Do not say 'Karam', rather say 'Inab' and 'Habla' (grape)." Narrated by Muslim.