The difference between Midget and Tich

When used as nouns, midget means a little sandfly, whereas tich means a very small person.

check bellow for the other definitions of Midget and Tich

Midget as a noun (originally):

A little sandfly.

Examples:

"Although tiny and just two-winged, midgets can bite you till you itch all over your unprotected skin."
Midget as a noun (loosely):

Any small swarming insect similar to the mosquito; a midge
Midget as a noun:

A normally proportioned person with small stature, usually defined as reaching an adult height less than 4'10".
Midget as a noun (sometimes derogatory):

Any short person.
Midget as a noun (attributively):

A small version of something; miniature.

Examples:

"the midget pony"