As nouns the difference between thermodynamics and thermotics

is that thermodynamics is the science of the conversions between heat and other forms of energy while thermotics is that branch of physics dealing with the science of heat.

As nouns the difference between prophet and prophethood

is that prophet is someone who speaks by divine inspiration while prophethood is state or condition of being a prophet.

As a proper noun Prophet

is any of the prophets mentioned in the Bible, especially an author of one of the Prophets.

As nouns the difference between brainpan and harnpan

is that brainpan is while harnpan is the brainpan; the skull.

As an adjective optical

is of, or relating to sight; visual.

As a noun autoscope is

an optical instrument for examining one's own eye.

As nouns the difference between instrument and autoscope

is that instrument is while autoscope is an optical instrument for examining one's own eye.

As a proper noun eye

is (uk|colloquial) the comedic magazine.

As a noun autoscope is

an optical instrument for examining one's own eye.

As nouns the difference between electrical and autoscope

is that electrical is an electrical engineer while autoscope is an optical instrument for examining one's own eye.

As an adjective electrical

is related to electricity (or electronics).

As nouns the difference between examination and autoscope

is that examination is the act of examining while autoscope is an optical instrument for examining one's own eye.

Riverboatman is a see also of riverman.

As nouns the difference between riverboatman and riverman

is that riverboatman is someone who pilots a riverboat while riverman is a man who lives or works on a river.

As nouns the difference between seaman and riverman

is that seaman is a mariner or sailor, one who mans a ship. Opposed to landman or landsman while riverman is a man who lives or works on a river.