Valer and validar

Valer means "to value." Validar means "to validate." Jokes later.

Tomás up to no good?

Tomás viola a Viola means "Tomás rapes Viola."

To see or not to see

Ver, "to see," and vestir, "to dress," have two conjugations in common, viste and visto. Jokes later.

Venir and vengar

Venir means "to come" and vengar means "to avenge." The word vengamos is a conjugation of both verbs, and in vengar it is a present-tense conjugation and a past-tense one, so ¡Vengamos! ¡Vengamos! ¡Vengamos! means "We avenge! Let us come! We avenged!"

Confuse a child or a dog

The command ¡Ve! means "Go!" (from ir) and "See!" (from ver). ¡Vete! is "Leave!" and "See yourself!"

Vender and vendar

Vendar means "to blind." ¡Vendemos! ¡Vendemos! means "We sell! Let´s blind!"

Sumir and sumar

Sumar is "to add" and sumir is "to plunge." Sumamos means "we add" and "Let's plunge!" And sumo means "I add" and "I plunge."

Salir and salar

Salar is to add salt, in cooking or for preservation. ¡No sales temprano! means "You don't leave early!" and "Don't put salt in the cooking early!"

To be or not to be

¡Sé español! can mean "I know Spanish!" or be a command to a child or a dog, "Be Spanish!"

Raer and rayar

Raer means "to scrape off" and rayar means something like "to draw lines." Raer is irregular and has ys in some conjugations, producing conjugations identical to some of those of rayar. "Rayamos. Entonces, rayamos" means "We draw lines. Then, let's scrape off!"