The racehorse Boundless was not only fast but also a beauty using linking words.
A fast race horse would be "ein schnelles Rennpferd".
I can give you several sentences. The two roads run parallel to one another for several miles. The scientist traveled to a parallel dimension. Two parallel lines will never meet.
4-letter words aals, ails, ains, airn, airs, airt, aits, alan, alar, alas, alit, alts, anal, anas, anil, anis, ansa, anta, anti, ants, anus, aria, aril, arts, aunt, aura, lain, lair, lari, lars,...
law, saw