is

• elfin

• to ken

• again, gin

• divinity

• dross, ooze, paddle, posh, silt, slime, slob, sludge, slurry

• to carouse, to cup, to drink, drank, drunk, to guzzle, to imbibe, to moisten one's clay, to partake, partook, partaken, to swig, to toot, to wet one's clay

• sciatica

• school

• be acquainted with, do you know

• familiar, known

• criterion, criteria, test

• aces, divine, divvy, godlike, to be all aces

• to scoot

• Islamic, Islamitic

• isoetes

• scholastic

• acquaintance, familiar

• cognition, idea, knowledge, learning

• to know

• to iterate, to recap, to recapitulate, to rehearse, to reiterate, to repeat

• student re-attending a course