In biology|lang=en terms the difference between theca and thecate

is that theca is (biology) any external case or sheath while thecate is (biology) having a theca, or outer sheath.

As a noun theca

is (biology) any external case or sheath.

As an adjective thecate is

(biology) having a theca, or outer sheath.

Thecated is a synonym of thecate.

As an adjective thecate is

(biology) having a theca, or outer sheath.

Thecate is a antonym of athecate.

Athecate is likely misspelled.

Athecate has no English definition.

As an adjective thecate is

having a theca, or outer sheath.

As nouns the difference between anthozoan and octocoral

is that anthozoan is (marine biology) a marine invertebrate of the class anthozoa, such as a sea anemone or coral while octocoral is (coral science) an anthozoan of the subclass alcyonaria, having eight-branched tentacles and eight septa.

Araks is a alternative form of arax.

As proper nouns the difference between arax and araks

is that arax is alternative form of Araks while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.

As proper nouns the difference between turkey and araks

is that turkey is country at the intersection of Europe and Asia on the Mediterranean. Official name: Republic of Turkey while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.

As a noun turkey

is either of two species of bird in the genus Meleagris with fan-shaped tails and wattled necks.

As proper nouns the difference between armenia and araks

is that armenia is ancient kingdom in the Armenian Highland southeast of Black Sea and southwest of Caspian Sea; area now divided between Turkey, Republic of Armenia, Azerbaijan, Georgia and Iran while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.

As proper nouns the difference between iran and araks

is that iran is a country in the Middle East known as Persia until 1935. Its capital is Tehran. Official name: Islamic Republic of Iran while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.

As proper nouns the difference between azerbaijan and araks

is that azerbaijan is a country in West Asia; official name: Republic of Azerbaijan while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.

As proper nouns the difference between kura and araks

is that kura is a river that flows in Turkey, Georgia and Azerbaijan, where receiving waters of Araks empties into Caspian Sea while Araks is a river that flows in Turkey, Armenia, Iran and Azerbaijan and empties into Kura river.