In the chandas (Vedas) the affix vini is added diversely in the sense of matup ,
As अग्ने तेजस्विन् ॥ Sometimes it is not added, as सूर्यो वर्चस्वान् ॥
Vart:- In the Chhandas, the finals अ of इय, उभय and हृदय is lengthened optionally before विनि; and it comes after अष्ट्रा, मेखला and रुजा also : as अष्ट्रावी, मेखलावी, इयावी, उभयावी, रुजावी, हृदयावी ॥
Vart:- So also after मर्म, as मर्मावी ॥
Vart:- Always after आमय, in the sacred as well as secular literature. As आमयावी ॥
Vart:- The affix आरकन् comes after शृङ्ग and वृन्द; as शृ꣡ङ्गारकः, वृ꣡न्दारकः ॥
Vart:- The affix इनच् comes after फल and बर्ह, as फलिनः꣡ and बर्हिणः꣡ ॥
Vart:- So also after हृदय; the affix चालु comes optionally: as, हृदयालुः, हृदयी, हृदयिकः, हृदयवान् ॥ The च् is इत् by 1.3.7.
Vart:- The affix आलुच् comes after शीत, उष्ण, and तृप, in the sense of not being able to bear that. As शीतं न सहते = शीतालुः 'shivering from cold'. उष्णालुः, तृपालुः ॥
Vart:- So also after हिम comes the affix एलु in the above sense: as हिमं न सहते = हिमेलुः ॥
Vart:- The affix ऊलुच् in the same sense after बल; as बलं न सहते = बलूलः ॥
Vart:- So also after वात; as वातानां समूहः, or वातं न सहते = वातूलः ॥
Vart:- The affix तन् comes after पर्व and मरुत्. As प꣡र्वतः and म꣡रुत्तः ॥
Vart:- The affix इनि comes after अर्थ in the sense of 'not having that' as अर्थी 'a beggar, who has not artha or wealth'. Otherwise अर्थवान् 'rich'. All these are obtained by बहुलः ॥,