"Theta" is a letter in the Greek alphabet. In fact, it is the eighth letter in the alphabet. It was originally derived from teth, a Hebrew letter.
Θ, θ [theta, pronounced as "th" in "think"]
Theta is the ninth letter of the Greek alphabet the eighth is Eta
Θ [ theta]is the eighth letter of the Greek alphabet.
The eighth letter of the Greek alphabet is theta, which looks like θ in its uppercase form and θ in its lowercase form. Theta is used in mathematics and science to represent angles or unknown values.
The Greek word for the letter t is ταφ, /taf/
Delta
The letter C in Greek is called "sigma." It is equivalent to the English letter S.
The Greek letter B ( called vita) represents the voiced labio-dental fricative V.
Psi is the 23rd of the 24 letters of the modern Greek alphabet. It is followed by the 24th (last) letter, omega, written as uppercase Ω (ZΩ), lower case ω (zω); and the Greek name for the letter is ωμέγα.
The swastika is sometimes referred to as a gammadion because of its resemblance to the Greek letter gamma (Γ) when it is rotated. The term "gammadion" comes from the Greek word "gamma," which is the third letter in the Greek alphabet.
The Greek letter Ϡ, called koppa, represents the /k/ sound, similar to the English letter "k". However, it is not commonly used in modern Greek and has been replaced by the letter kappa.