In label|mul|amino acid terms the difference between t and h
is that
t is (
label) iupac 1-letter abbreviation for threonine while
h is (
label) iupac 1-letter abbreviation for histidine.
As letters the difference between t and h
is that
t is the twentieth letter of the while
h is the eighth letter of the.
As symbols the difference between t and h
is that
t is symbol for tesla, the si unit of magnetic flux density while
h is (
label) symbol for hydrogen.