Remembering Jane Straus | May 18, 1954–February 25, 2011 | Author of the original Blue Book of Grammar and Punctuation
Pore: a small opening (noun). To study carefully (verb).
Pour: to send liquid flowing.
Be careful not to say "pour over" if you mean pore over.
Letter A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z