Hadith #3887 (Sunan Abi Dawud)
Book: Medicine (Kitab Al-Tibb)
Narrator(s): Abdul Wahid bin Ziyad عبد الواحد بن زياد العبدي, Masdad bin Masrhad مسدد بن مسرهد بن مسربل, Sahl bin Hunayf
Grade: Sahih

The Messenger of Allah (ﷺ) entered when I was with Hafsah, and he said to me: Why do you not teach this one the spell for skin eruptions as you taught her writing.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3887/

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Hadith #4976 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): Abdullah bin Wahb عبد الله بن وهب بن مسلم القرشي, Abu Umama bin Sahl, Ahmed bin Salah al-Masri أحمد بن صالح المصري, al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم, Sahl bin Hunayf, Yonus bin Yazid bin Abi al-Nijad يونس بن يزيد بن أبي النجاد
Grade: Sahih

He must  say: “My master” (sayyidi) and “My patron” (mawlaya).

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4976/