fetus

As nouns the difference between vessel and fetus

is that vessel is (nautical) any craft designed for transportation on water, such as a ship or boat while fetus is .

As a verb vessel

is (obsolete|transitive) to put into a vessel.

As a noun fetus

is .

As an adjective undefined is

lacking a definition or value.

As nouns the difference between school and fetus

is that school is a group of fish or a group of marine mammals such as porpoises, dolphins, or whales or school can be (us|canada)  an institution dedicated to teaching and learning; an educational institution while fetus is .

As a verb school

is (of fish) to form into, or travel in a school or school can be to educate, teach, or train (often, but not necessarily, in a school).

As nouns the difference between fetus and embryon

is that fetus is while embryon is .

As nouns the difference between fetus and fetish

is that fetus is while fetish is something which is believed to possess, contain, or cause spiritual or magical powers; an amulet or a talisman.

As nouns the difference between fetus and tumor

is that fetus is an unborn or unhatched vertebrate showing signs of the mature animal while tumor is an abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

As nouns the difference between fetus and child

is that fetus is while child is a daughter or son; an offspring.

As nouns the difference between fetus and newborn

is that fetus is while newborn is a recently born baby.

As an adjective newborn is

recently born.

As nouns the difference between fetus and feces

is that fetus is an unborn or unhatched vertebrate showing signs of the mature animal while feces is digested waste material (typically solid or semi-solid) discharged from the bowels; excrement.

As a noun fetus

is .

As a proper noun head is

, from residence near a hilltop or the head of a river, or a byname for someone with an odd-looking head.