Sentence:  The Safavid shahs were commonly termed by Western writers "Sophie", "Sophy", "<WSD>Sophi</WSD>" or "Soffi". All these terms were probably corruptions of Ṣafī, the name of the founder of the Safavid Order, rather than of Ṣūfī, as the Safavid supporters called themselves. 
Meaning of the word marked with <WSD> tags:  (shah)(id=shah)<ref name="OEDonline_Sophy1"/> (title of a Safavid dynasty shah)