Interesting (Present Participle): If a person/thing is interesting he/she/it has an effect on someone. Interested (Past Participle) If a person is interested, someone or something has an effect or influence on that person.
Grammatically you can say both words are adjectives having different applications. While interested</SPAN> describes a feeling showing curiosity, fascination, or concern and also possessing a right, claim, or stake (an interested party in the estate), on the otherhand,interesting describes something that makes you feel interested or arouse a feeling of interest. as: I am very much interested in the job that you are offering. This is an interesting book containing strange facts
But then, with ‘interest’ acting as a verb interesting and interested are its present and past participle forms respectively. So they can be used as verbs as well as adjectives, though ‘interesting’ is rarely used in continuous tense
The score never interested me, only the game. (verb) I think he is only interested in using me?