What's the difference between now and yow?

Now

Definition:

• (adv.) At the present time; at this moment; at the time of speaking; instantly; as, I will write now.
• (adv.) Very lately; not long ago.
• (adv.) At a time contemporaneous with something spoken of or contemplated; at a particular time referred to.
• (adv.) In present circumstances; things being as they are; -- hence, used as a connective particle, to introduce an inference or an explanation.
• (a.) Existing at the present time; present.
• (n.) The present time or moment; the present.

Example Sentences:

Yow

Definition:

• (pron.) You.

Example Sentences:

• (1) Pronounced "oll-yow", Olhão is the Algarve's largest fishing port.