11-Letter Words Starting: TR_P

• a sporozoan in the active feeding stage of its life cycle

• resembling a trapezoid

• an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin

• an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin

• A monosyllabic vowel combination usually involving a quick but smooth movement from one vowel to another that passes over a third one.

• the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)

• Any of a group of protozoan parasites which are transmitted by biting insects and infect the blood of humans and other vertebrates.