读普通话gu1时的普通话同音字有(对照粤语读音):
估gu2gu3gwu2gwu3
咕gu1gu2gwu1gwu2
姑gu1gwu1
孤 gu1gwu1
家 gaa1gu1gwu1ze1
沽 gu1gu2gu3gwu1gwu2
箍 fu1ku1kwu1
菇 gu1gwu1
辜 gu1gwu1
骨 gwat1
呱 gu1gwaa1gwaa2gwu1waa1
唂 guk1
唃 guk1
嫴 gu1
杚 gwat1koi3
柧 gu1gwu1
橭 fu1gu1
毂 gu1guk1
泒 gu1
稒 gu3
笟 ku1
箛 gu1ku1
篐 ku1
罛 gu1gwu1
苽 gu1
菰 gu1gwu1
蓇 gwat1
蛄 gu1gwu1
觚 gu1gwu1
軱 gu1
軲 gu1ku1
酤 gu1gu3gwu1wu6
鈲 gu1
鮕 gu1
鴣 gu1gwu1
鸪 gu1gwu1
>>> 更多普通话同音字