Translation guide
In Japanese, expressing 'addition' depends on whether you mean adding something to a group, adding numbers, adding extra items, or adding information. The most common word is 追加 (tsuika) for adding more of something, while 足し算 (tashizan) is used for arithmetic addition. Other expressions cover joining, supplementing, or appending.
The speaker wants to express adding an extra item, amount, or element to something that already exists.
The most common and versatile word for 'addition' in the sense of adding something extra. Used for adding items to orders, lists, plans, etc.
Please add it to the order.
A transitive verb meaning 'to add' or 'to include'. Often used when adding an ingredient, element, or condition.
The speaker is referring to the mathematical operation of adding numbers.
The speaker wants to express building an addition onto a house, building, or other physical structure.
The speaker wants to add supplementary information, notes, or comments.
Means 'supplement' or 'additional explanation'. Used when adding clarifying information.
The speaker wants to use a transition phrase meaning 'in addition' or 'furthermore'.
Commonly used to mean 'furthermore' or 'in addition'. Can be used in both spoken and written Japanese.
追加 (tsuika) is a noun/suru-verb used for adding items to a set, list, or order. 加える (kuwaeru) is a transitive verb meaning 'to add' in a broader sense, including adding ingredients, conditions, or abstract elements. 追加 is more common in everyday situations like shopping or managing lists.
The addition of new features improved the app.
Add a member.
塩を加えてください。
Please add salt.
Add a new rule.
Literally 'attach and add'. Used for adding supplementary information or remarks, often in speech or writing.
May I add one more thing?
The standard term for addition in arithmetic.
Let's practice addition.
A more formal or technical term for addition, often used in computing or mathematics.
Perform addition processing.
Specifically refers to building an extension or addition to a house or building.
We plan to build an addition to the house.
Used for adding facilities or equipment, such as extra rooms, lines, or installations.
Install an additional elevator.
I'll add a supplementary explanation.
Means 'appending a note' or 'additional writing'. Often used in formal documents.
Add conditions in writing.
In addition, they announced a new plan.
The te-form of 加える, used as a conjunction meaning 'in addition' or 'moreover'.
The price is low, and in addition, the quality is good.
A casual expression meaning 'on top of that' or 'what's more', often used when adding something negative or surprising.
It started raining. On top of that, the wind is strong.
add sugar
足し算 (tashizan) specifically means arithmetic addition. Using it to mean 'adding something extra' (like adding a name to a list) would be incorrect. Use 追加 instead.
In addition to English, she speaks Japanese.