هُمَا يَتَقَارَظَانِ المَدْحَ

(tropical:) They two praise each other; (S, K, TA;) from 2 in the first of the senses assigned to it above; each embellishing the other like as the قَارِظ embellishes the skin, or hide; (Z, TA;) and يتقارضان is like it: (TA;) and you say also, هُمَا يَتَقَارَظَانِ الخَيْرَ والشَّرَّ [They two interchange good and evil, each with the other]; as also يتقارضان: (IKh, in TA, article قرض:) or تَقَارُظٌ relates only to praise and good; but تَقَارُضٌ, to good and evil. (TA.)