The difference between Stumble and Thinko

When used as nouns, stumble means a fall, trip or substantial misstep, whereas thinko means a careless mistake made in thinking.

Stumble is also verb with the meaning: to trip or fall.

check bellow for the other definitions of Stumble and Thinko

Stumble as a verb (intransitive):

To trip or fall; to walk clumsily.

Examples:

"He stumbled over a rock."
Stumble as a verb (intransitive):

To make a mistake or have trouble.

Examples:

"I always stumble over verbs in Spanish."
Stumble as a verb (transitive):

To cause to stumble or trip.
Stumble as a verb (transitive, figurative):

To mislead; to confound; to cause to err or to fall.
Stumble as a verb:

To strike or happen (upon a person or thing) without design; to fall or light by chance; with on, upon, or against.

Thinko as a noun (slang):

A careless mistake made in thinking.

Examples:

"I must have done quite a thinko, but I don't remember leaving my keys in the refrigerator."