As a proper noun beth
is a diminutive of the female given names elizabeth, elisabeth, and sometimes bethany also a formal given name or middle name.
As a noun heth is
the eighth letter of many semitic alphabets (phoenician, aramaic, hebrew, syriac, arabic and others).
name of the second letter of the Aramaic alphabet,
name of the second letter of the Hebrew alphabet,
name of the second letter of the Syriac alphabet,
The eighth letter of many Semitic alphabets (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).