9-Letter Words Starting: TH

• an organism that has the characteristics of a more primitive type of that organism

• a reappearance of an earlier characteristic

• characteristic of an atavist

• Australian and southeastern Asian birds with a melodious whistling call

• a tack for attaching papers to a bulletin board or drawing board

• fasten with thumbtacks

• hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells

• to believe especially on uncertain or tentative grounds

• construct a theory about

• form or construct theories

• a hard blow with a flat object

• deliver a hard blow to

• A lymphocyte, produced in the thymus, that develops into a T cell

• hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells

• any of a group of drugs commonly used as diuretics in the treatment of hypertension; they block the reabsorption of sodium in the kidneys

• A fight against the gods, as the mythological battle of the giants against the gods

• A battle among gods

• An opposition to divine will