What each framework measures
Love languages answer: 'What makes me feel loved?' Attachment styles answer: 'What happens when I feel threatened in a relationship?' These are different questions with different practical applications.
A securely attached person with Words of Affirmation as their love language wants to hear appreciation — and responds calmly when they do not get it. An anxiously attached person with the same love language craves the same words but may spiral when they are absent.