Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

Americans pronounce south as SOWTH (/saʊθ/). You'll hear it in sentences like "North and South" or "Arthur had a toothache in his mouth south" — more examples below.
Record yourself saying "south" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

Start with a dropped jaw and flat tongue. Glide into a relaxed, slightly rounded lip position as the back of the tongue stretches up.
Place the very tip of your tongue slightly between your teeth. Blow air gently around it without voicing.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.