The affix yan comes in the sense of 'what stays there' after the words 1. sagarbha 2. sayūtha and 3. sanuta,
This debars यत् the difference being in accent 6.1.197. Thus अनुभ्राता सगर्भ्यः॑ 'a younger brother'. अनुसखासयू॑थ्यः 'a younger friend'. So also यो नः सनु॑त्यः उत वा जिघन्तु thief lit. 'who stays in a concealed place', sanuta meaning 'concealed' (see Rig Veda II. 31. 9). The word समान is always changed into स in the Chhandas 6.3.84.,