Of the wonders of the English language

There is a common word in the English language made up of nine characters. And every time one of the characters to remove them, remain valid, but the word in other words - from the first letter to the last character. What is the word origin? What are other words derived from them after you delete the letter at a time
THE ANSWER

The base word is

Startling
starting
staring
string
sting
sing
sin
in
I




"The longest one-syllable word in the English language is "screeched
ومعناها (صرخ صرخة ذعر أو الم)





No word in the English language rhymes with month, orange, silver or purple

(month, orange, silver, purple)



"Dreamt" is the only English word that ends in the letters "mt"




:(There are only four words in the English language ending Yalohrv(dous)
horrendous
stupendous
hazardous
tremendous

thanks so much