That's called an acronym. Some examples are:
Legislating is an eleven letter word for Congress making laws.
Alliteration
Well, the first letter in the first word of your question is 'W.' You may also send a 'letter' to someone, as in 'A page of words.'
Some four letter words with the first letter f are:facefadefailfairfallfamefarmfastfearfeedfeelfeetfestfilefillfilmfinefirefirmfishfistflapflatflewflitflipflitflopfluefoalfoamfoldfolkfoodfoolfootforkformfortfourfrayfreefretfromfuelfullfumefuryfussfuzz
I've is a three letter word. I'll is another three letter word.
Fifty
Sometimes you can change the first letter of the word and you have a word that rhymes
Sentences and Words Saw
Aboard, advance and algae are words. The 1st and 4th letter is the letter a.
honesty is a seven letter word that begins with h
i cant answer this it is to hard
what i normally do is you have the first letter of the word you are looking for and you go row by row and try to find the first letter....after you succeed in that go to the first letter and see if the second letter is there and so on and so forthhgdofvncmxmoisinvc you find the letter the first letter and then the second untilweoefnnoidnoewncd your word "dog"vdfgnewonernuwnio