30 Important English Word Differences You Should Know About

The difference between a sprocket and a gear: a gear meshes with other gears, while a sprocket meshes with a chain, belt or other kinds of perforated material.

There is a difference between telenovelas and soap operas. Telenovelas end after a certain period of time, while soap operas go on as long as ratings justify doing so.

The main difference between a confederation and a federation is that the membership of the first is voluntary and the second is involuntary

The only difference between white and brown eggs is the color of the feathers and earlobes of chicken that laid it.

There is a difference between a Fire Engine and a Fire Truck. A Fire Engine's main purpose is to pump water. A Fire Truck usually carries ladders and tools to help the firefighters.

The difference between hay and straw is that hay has seeds in it, and straw is just stems.

The difference between white and dark meat is due to the difference in fast-twitch and slow-twitch muscles, respectively. This is why ground-based birds like chickens and turkeys have white meat for breasts and wings while flying birds like duck and geese have dark meat.

The difference between a biotechnology company and a pharmaceutical company is that while both produce medicines, a biotech company’s medicines have a biological basis, whereas a pharmaceutical company's medicines have a chemical basis.

The difference between Shia and Sunni Muslims is who they believe is the rightful successor to Prophet Muhammad. Sunnis believe that the 4 Caliphs that came to power after his death were chosen by him. Shias believe that he chose as his successor his cousin and son-in-law Ali.

The difference between the black and white rhino has nothing to do with color. The black rhino has a narrower mouth while the white, or “wide” rhino has a wider mouth which better suits for grass eating. White Rhino came from Wide Rhino as an error in translation from South African Dutch “Wijd Rhino.”