Why do JLPT N5 learners confuse 磨く with 洗う?

Both words occupy adjacent semantic territory, which is exactly why the JLPT uses them as distractors for each other on multiple-choice items. The fastest way to stop confusing them is to study them as a pair, write a one-sentence contrast in your own words, and drill the pair specifically rather than each word in isolation.

Is 磨く or 洗う more common on JLPT N5?

Both appear in the JLPT N5 curriculum and either may show up on a given exam. Don't try to predict which one the test will choose — learn to distinguish them and you'll be safe regardless. Both belong to the Additional Verbs theme of N5 vocabulary.

How do I practice this confusion pair?

Free option: visit /try and pick a confusion drill. Paid option: none — JLPT Mastery is free during launch. Whichever route you take, the engine specifically re-tests pairs you've gotten wrong rather than rotating through general vocabulary review.

JLPT N5 · Beginner · Meaning confusion

磨く vs 洗う

Q: What's the difference between 磨く and 洗う?

磨く (みがく) means "to brush (teeth); to polish" and 洗う (あらう) means "to wash". 磨く involves friction and polishing (brushing teeth, shining shoes); 洗う involves water and rinsing (washing hands, laundry). 磨く is scrubbing; 洗う is rinsing.

Why JLPT N5 learners mix up 磨く (みがく, “to brush (teeth); to polish”) and 洗う (あらう, “to wash”).

磨く

みがく

to brush (teeth); to polish

verb

洗う

あらう

to wash

verb

Theme: Additional VerbsJLPT N5

Why these get confused

磨く involves friction and polishing (brushing teeth, shining shoes); 洗う involves water and rinsing (washing hands, laundry). 磨く is scrubbing; 洗う is rinsing.

How to tell them apart

Anchor on the meaning, not the form. 磨く (to brush (teeth); to polish) and 洗う (to wash) live in adjacent semantic territory. Memorize the boundary, not just each word.
Read the example sentences below. Seeing each word in its natural context builds a faster lookup than studying the dictionary form alone.

In a sentence

磨く (to brush (teeth); to polish)

毎朝歯を磨きます。
靴を磨きました。

洗う (to wash)

手を洗います。
お皿を洗いました。

How JLPT tests this pair

On JLPT N5, this pair shows up as a vocabulary meaning question. You see one word and pick its English equivalent from four options — one of which will be the other word in this pair, chosen as a distractor precisely because of the overlap.

Sample item

「磨く」の意味は？