1Blizzard and snowstorm
The difference between a blizzard and a snowstorm is the strength of the wind, not the amount of snow. To be a blizzard, a snow storm must have sustained winds or frequent gusts that are greater than or equal to 56 km/h (35 mph) with blowing or drifting snow which reduces visibility to 400 m or 0.25 mi or less and must last for a prolonged period of time—typically three hours or more.
2Fossil bone and regular rock
The difference between a fossilized bone and a regular rock can be found by licking them. Your tongue will stick to the fossil because the tiny pores that were in the bone will suck away moisture.
3Disc and disk
The difference between disc and disk. Disc refers to optical media (Blu-ray, CD, DVD, etc), and disk refers to magnetic media (floppy disk, hard disk, etc).
4Sprocket and gear
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.
5Telenovelas and Soap opera
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.
6Confederation and federation
The main difference between a confederation and a federation is that the membership of the first is voluntary and the second is involuntary
7White and brown eggs
The only difference between white and brown eggs is the color of the feathers and earlobes of chicken that laid it.
8Fire Engine and fire truck
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.
9Hay and straw
The difference between hay and straw is that hay has seeds in it, and straw is just stems.
10White and dark meat
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.