What's the difference between doter and goter?

Doter

Definition:

• (n.) One who dotes; a man whose understanding is enfeebled by age; a dotard.
• (n.) One excessively fond, or weak in love.

Example Sentences:

Goter

Definition:

• (n.) a gutter.

Example Sentences:

• (1) TGI was present in 65 of 71 endemic goter cases and in 9 of 14 sporadic goiter cases.