V and F are paired together because the facial positions are the same for both.
The difference? V is a voiced consonant - we will hear the sound with vibration, where as with F, it's unvoiced or silent; only air will pass through the top teeth when touching the bottom lip.
Rachel of Rachel's English has an awesome video demo on these sounds. Watch the video below to see what I am talking about!
Some words for practice:
Few - View
Fail - Vail
Feel - Veal
Fender - Vendor
Fat - Vat
Fan - Van
In this second video, Jon goes through in detail how to make these sounds using your teeth, lips and breath. This video is very helpful in describing what Rachel demonstrated in the video above. Jon also provides many example words to pronounce as single words and in confusing tongue twisters!
Jennifer Kumar, author of this post is a native American English speaker and U.S. citizen running her own business in Kochi, India helping professionals on distributed and offshored teams to communicate more effectively in business environments. Contact us for more information.
Compare V and W in English to Indian Languages
Focus on saying words ending in TION
Problems with speaking too fast or too slow