незаменимыйirreparabilis [e];incompensabilis
«ноу-хау» (know-how)sollertia [ae, f];
гречихаpolygonum [i, n]
plectere [o, xi, xum] (flores;crines);viere [eo,-,--etum] (corollam;aliquid ex viminibus);texere (rete);