What is taller, higher, softer, smaller?

Anaïs Mitchell's version of "Riddles Wisely Expounded" has these questions:

“What is greener than the grass?
And what is smoother than the glass?”
“What is louder than a horn?
And what is sharper than a thorn?”
“What is deeper than the sea?
And what is longer than the way?”

And these answers:

“Envy’s greener than the grass
Flattery’s smoother than the glass”
“Rumor’s louder than a horn
Slander’s sharper than a thorn”
“Regret is deeper than the sea
But love is longer than the way”

So here is a twofol...