You PORE over books, and you POUR words from your mouth.
Pore [THINK: ponder]
Pour [THINK: cup (U)]
“Pore means “to read or study with great attention.” You pore over books.”
“…Pour, on the other hand, means “to send flowing or falling,” as in He poured a cup of coffee.”
[read more about it on blog.dictionary.com]