The term 'intrinsically' can be broken down into six crossword solutions: PERSE (5 letters), ATH (3 letters), ATHEART (7 letters), BYNATURE (8 letters), INESSENCE (9 letters), and IPSOFACTO (9 letters). Each of these words is related to the concept of something being inherent or essential to a person or thing. Perse means to persist in a course of action, ATH is an abbreviation for 'at heart', ATHEART is a combination of the two words 'at heart', BYNATURE means by nature or naturally, INESSENCE is a combination of the words 'in essence', and IPSOFACTO is a Latin phrase meaning 'by the fact itself'. All of these words are related to the idea of something being intrinsic or essential to a person or thing.