ague
temp
fever
Examples of four letter compound words are:ontointoupon
Applesauce is a compound word that starts with "a".
Ten letter compound words that end with house:blockhousecourthouseglasshousegreenhouseguardhouseguesthouselighthousepilothousepowerhouseroughhouseroundhousesmokehousestatehousesteakhousestorehousewheelhouse
No, it is not.
Compound words beginning with i:iceboxicecapice creamicepickicebreakerintoinkwellinlayinflowinfluxinboundincomingironworkironcladinchwormindoorsinsideinsoleinfuseinstepitselfinmateinroadsinkblot
Acetylcholinesterase is a 20 letter word. It is a chemical compound.
The compound words backpack, backtalk, ballpark, bareback, bluebook, bodywork and bookmark will work. The word bobolink is not a compound word that meets the specifications.
Zoology
Bookkeeper