The term 'love to excess' can be expressed in four different ways using crossword solutions. The first is 'DOTE', which means to show excessive fondness or love for someone. The second is 'IDOLISE', which means to admire and love someone excessively. The third is 'doteon', which is similar to DOTE but implies more of an obsession with the person. Lastly, 'IDOLIZE' means to treat someone as an idol, or to love them excessively. All four words express the same sentiment of loving someone too much.