As nouns the difference between tel and pel
is that tel is (automotive|aviation|organic chemistry) tetraethyllead (or tetraethyl lead, tetra-ethyl lead); a gasoline additive to boost octane rating while pel is hair (on the body).
tel
English
Etymology 1
(en)
Noun
(
en noun)
telegraph
telegram
telephone
Etymology 2
From (etyl) .
Noun
(
en noun)
A hill or mound. (Used especially for land features in the Middle East and North Africa)