If you're wondering how to say "painting" in English, the correct pronunciation is /ˈpeɪntɪŋ/. The word "paintful" doesn't exist in standard English, but it might be a misspelling or confusion with "painful" (/ˈpeɪnfəl/).

To improve your pronunciation, break "painting" into syllables: "paint" + "ing." The stress falls on the first syllable, and the "t" sound is soft. Practice saying it slowly, then gradually speed up while maintaining clarity.