Confused between “thankful” vs “thankfull”? You’re not alone—this is a common spelling mistake in English.
Let’s clear it up simply 👇
✅ The Correct Spelling
👉 Thankful is correct
❌ Thankfull is incorrect
📌 Why Is “Thankfull” Wrong?
The word “thankful” is formed from:
👉 thank + ful
Here’s the important rule:
- The suffix “-ful” always has one “l”, not two
✔ thank + ful = thankful
❌ thank + full = thankfull
🧠 Easy Trick to Remember
💡 Use this rule:
“-ful has one ‘l’, always!”
👉 So:
- thankful ✔
- not thankfull ❌
✍️ Examples in Sentences
✔ Correct:
- I am thankful for your help.
- She felt thankful for the opportunity.
- We are truly thankful today.
❌ Incorrect:
- I am very thankfull ❌
⚠️ Common Mistakes to Avoid
- Adding an extra “l”
- Confusing “-ful” with the word “full”
- Typing quickly without checking spelling
🚀 Pro Tips
- Remember similar words:
- helpful
- beautiful
- careful
👉 All use “-ful” (one “l”)
- Break the word:
- thank → thankful
❗ Bonus: “Full” vs “-Ful”
- Full = a separate word (means complete)
👉 The glass is full - -Ful = a suffix (means “full of”)
👉 thankful = full of thanks
❓ FAQs for Thankful vs Thankfull
1. Is “thankfull” ever correct?
No. It is always incorrect.
2. Why does “thankful” have one “l”?
Because the suffix “-ful” always uses one “l”.
3. What does “thankful” mean?
Feeling grateful or appreciative.
4. Is “thankful” used in formal writing?
Yes, it’s correct in all contexts.
5. How can I remember it easily?
👉 Think: “-ful = one ‘l’ only!”
🔑 Final Takeaway
- ✔ Always write thankful
- ❌ Never write thankfull
- 🧠 Trick: “-ful” has one “l”
📈 SEO Keywords
- thankful vs thankfull
- correct spelling thankful
- thankfull or thankful
- spelling mistakes in English
- ful vs full suffix