Have you ever wondered whether sinse or since is the correct spelling? It’s a common question because the two words sound nearly identical when spoken. However, only one is accepted in standard English.
Although they look and sound similar, they serve completely different purposes. In fact, “sinse” isn’t a real English word at all—it’s simply a spelling mistake of “since.”
This guide explains why since is correct, how to use it properly, and how to avoid making this common spelling error. sinse or since.
Quick Answer
Is It Sinse or Since?
The correct spelling is since.
Sinse is a misspelling and should never be used in formal or informal English writing. Since can function as a preposition, conjunction, or adverb, depending on the sentence.
Understanding “Sinse”
Definition
Sinse has no meaning in the English language. It does not appear in standard dictionaries and is considered a spelling error.
Why People Write “Sinse”
People commonly type sinse because:
- It sounds similar to since.
- English spelling isn’t always phonetic.
- Fast typing leads to keyboard mistakes.
- English learners may spell words based on pronunciation.
Examples of Incorrect Usage
❌ I have lived here sinse 2020.
❌ She has worked there sinse January.
❌ Sinse yesterday, everything changed.
Key Insight
Never use “sinse” in emails, assignments, reports, websites, or professional communication.

Understanding “Since”
Definition
Since is a correct English word used to indicate:
- Time
- Reason
- Continuation from a specific point
- Past events connected to the present
Usage as a Preposition
It introduces a starting point in time.
Examples:
- I have lived here since 2019.
- She has been studying since morning.
- We’ve known each other since childhood.
Usage as a Conjunction
It connects two clauses and can express either time or reason.
Examples:
- Since it was raining, we stayed indoors.
- I’ve been happier since I changed jobs.
- Since you already know the answer, I’ll move on.
Usage as an Adverb
It refers to a period from then until now.
Examples:
- He left years ago and hasn’t returned since.
- I met her once but haven’t spoken to her since.
Key Insight
Since is one of the most commonly used words for expressing time and cause in English.
Sinse or Since: What’s the Difference?
Key Differences
- Since is the correct English spelling.
- Sinse is a spelling mistake.
- Since appears in dictionaries.
- Sinse should never be used in formal writing.
- Spell checkers automatically flag sinse as incorrect.
Comparison Table
| Feature | Sinse | Since |
|---|---|---|
| Correct Spelling | ❌ No | ✅ Yes |
| Dictionary Word | ❌ No | ✅ Yes |
| Part of Speech | None | Preposition, conjunction, adverb |
| Used in Writing | Never | Frequently |
| Accepted in English | No | Yes |
| Example | ❌ I came sinse Monday. | ✅ I came since Monday. |
Real-World Usage Scenarios
Scenario 1
Student: “I’ve studied here sinse last year.”
Teacher: “The correct spelling is since.”
🎯 Lesson: Always use since for a starting point in time.
Scenario 2
Email Draft
❌ I have worked here sinse June.
✅ I have worked here since June.
🎯 Lesson: Double-check spelling before sending professional emails.
Scenario 3
Conversation
Friend: “How long have you lived here?”
You: “I’ve lived here since 2021.”
🎯 Lesson: Use since with specific dates or points in time.
Scenario 4
❌ Sinse you arrived, everything has improved.
✅ Since you arrived, everything has improved.
🎯 Lesson: Since can also introduce a reason or time clause.
Scenario 5
❌ We haven’t met sinse graduation.
✅ We haven’t met since graduation.
🎯 Lesson: Use since to describe events continuing from the past.
Common Mistakes
Confusing Pronunciation with Spelling
Many learners spell words exactly as they sound.
Why it happens: English pronunciation doesn’t always match spelling.
Using “Sinse” in Professional Writing
A simple spelling mistake can reduce credibility in resumes, business emails, and academic work.
Why it happens: Fast typing or lack of proofreading.
Forgetting That “Since” Has Multiple Uses
Some people think since only refers to time.
Correction: It can also introduce a reason.
Example:
- Since you’re ready, let’s begin.
Memory Tricks
Easy Trick
Think of since as containing the word “ice.”
Since = S + ice
There is no “sinse” in English.
Another Memory Shortcut
If your spell checker underlines sinse, replace it with since.
Remember:
Time starts “since,” never “sinse.”
Expert Insight
The confusion between sinse and since is purely a spelling issue rather than a grammar issue. English contains many words whose pronunciation differs from their spelling, making them easy to misspell.
Because since serves several grammatical functions—as a preposition, conjunction, and adverb—it appears frequently in both spoken and written English. Learning its correct spelling early improves writing accuracy, professionalism, and overall language confidence. sinse or since.
Conclusion
When comparing sinse or since, the answer is straightforward: since is the only correct spelling.
Use since when referring to a starting point in time, explaining a reason, or describing something that has continued from the past. Avoid sinse, as it is simply a spelling mistake and is not recognized in standard English.
Remember this simple rule: If you’re ever unsure between “sinse” and “since,” always choose “since.” sinse or since.

