Tho

Part of speech: noun (n.)

The. [Obs.] Spenser.

Part of speech: adverb (adv.)

Then. [Obs.] Spenser. To do obsequies as was tho the guise. Chaucer.

Part of speech: pronoun (pron.)

Those. [Obs.] This knowen tho that be to wives bound. Chaucer.

Part of speech: conjunction (conj.)

Though. [Reformed spelling.]