On the Trinity
Etymology: Roots
Est igitur, ut dicit Innocentius tertius, solus et verus Deus, aeternus , immensus , incommutabilis, omnipotens et ineffabilis Pater et Filius et Spiritus sanctus , tres quidem personae, sed una essentia, substantia vel natura simplex omnino, Pater a nullo, Filius a patre, Spiritus sanctus ab utroque absque initio et fine, Pater generans, Filius nascens, Spiritus sanctus a Patre et Filio procedens.
Of the two given English words, select the one that is most closely related to the Latin head-word found in the text.