“Quin” of course implies the number five and strange, widdershins things start happening when you divide astrology’s comfortable base-twelve system into five parts. And although there are some parallels between the mighty Quincunx aspect of 150 degrees and the subtle, creative weirdness of the Quintile, which is one-fifth of the circle, or 72 degrees, not being tricked by their similar pronunciations is a critical astrological skill. They operate very differently and correlate with distinct integrative processes in the human psyche.
NORWAC 2015