Links I have given in a text box above. I hope you will benefit from them or at least get some joy, using them.
As a first dish of testing, I have searched the word 'urea' , using the noun search tool. The following are the results: You can see the 'urea' hidden in the phrases " bureaucratic procedure, sulfonyl urea, kidney excreting urea, Bureau of Investigation etc."
1:--needlessly time-consuming procedure : bureaucratic_procedure
2:--sulfonyl urea; an oral antidiabetic drug (trade name Orinase) used in the treatment of adult-onset diabetes mellitus : tolbutamide
3:--either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine; "urine passes out of the kidney through ureters to the bladder" : kidney
4:--a special law-enforcement agent of the Federal Bureau of Investigation : G-man
5:--a clerk or bureaucrat who does paperwork : paper-pusher
6:--English dramatist and poet who was the first real poet laureate of England (1572-1637) : Jonson
7:--British historian noted for ridicule of bureaucracies (1909-1993) : Parkinson
8:--perennial of mountains of Iran and Iraq; cultivated for its fragrant rose-pink flowers : sweet_sultan 2 Centaurea_imperialis
9:--a clear thermosetting resin made from urea and formaldehyde and used in electrical fittings, adhesives, and finishes : urea-formaldehyde_resin. I am hopeful that further improvements are possible. I shall try to bring them to you soon..