The word Koch is a proper noun. Koch is a language used in various places such as Manipur and Bangladesh.
All proper nouns are capitalised.
No, the Koch brothers, Charles and David Koch, are not related to Richard Koch, the former governor of Texas. The Koch brothers are part of the Koch family, known for their involvement in the oil and gas industry through Koch Industries. Richard Koch, on the other hand, was a politician and served as the governor of Texas from 1973 to 1979. Their surnames are coincidental, and there is no known familial connection between them.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.
The part of speech for "buried" is a verb.