*requisito* requisite
*Resaca* Resaca de la Palma (small town in Texas on the Rio Grande, near which the American forces defeated the Mexicans in battle in 1846)
*residir* reside
*resignación* f. resignation
*resignar* resign
*resolver* solve; resolve, decide
*respecto: —— de* concerning
*respeto* m. respect
*respetuoso* respectful
*respirar* breathe