Why do JLPT N3 learners confuse 震える with 伸ばす?

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 震える or 伸ばす more common on JLPT N3?

Both appear in the JLPT N3 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 Physical Actions theme of N3 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 N3 · Intermediate · Meaning confusion

震える vs 伸ばす

Q: What's the difference between 震える and 伸ばす?

震える (ふるえる) means "to shiver, to shake, to quake" and 伸ばす (のばす) means "to lengthen, to stretch, to reach out, to grow (beard)". Both describe physical actions; however, 震 (shake) contains the 'rain' (雨) radical implying weather-like involuntary shaking, while 伸 (stretch) contains the 'person' (人) radical for intentional extension.

Why JLPT N3 learners mix up 震える (ふるえる, “to shiver, to shake, to quake”) and 伸ばす (のばす, “to lengthen, to stretch, to reach out, to grow (beard)”).

震える

ふるえる

to shiver, to shake, to quake

verb

伸ばす

のばす

to lengthen, to stretch, to reach out, to grow (beard)

verb

Theme: Physical ActionsJLPT N3

Why these get confused

Both describe physical actions; however, 震 (shake) contains the 'rain' (雨) radical implying weather-like involuntary shaking, while 伸 (stretch) contains the 'person' (人) radical for intentional extension.

How to tell them apart

Anchor on the meaning, not the form. 震える (to shiver, to shake, to quake) and 伸ばす (to lengthen, to stretch, to reach out, to grow (beard)) 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

震える (to shiver, to shake, to quake)

手が震えるんだ。
時々、手が震えるんです。

伸ばす (to lengthen, to stretch, to reach out, to grow (beard))

教育は、潜在能力を伸ばすことを目的としています。
教育は、潜在能力を伸ばすことを目的としています。

How JLPT tests this pair

On JLPT N3, 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

「震える」の意味は？

A. to shiver, to shake, to quake (correct)
B. to lengthen, to stretch, to reach out, to grow (beard) (distractor)
C. (other plausible meaning)
D. (other plausible meaning)

Drill this pair until it sticks

Reading the explanation is step one. Targeted practice is what actually moves a confusion pair out of your weak list. Free, no signup needed to try.

Practice N3 confusion pairs

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Frequently asked

震える vs 伸ばす

Why JLPT N3 learners mix up 震える (ふるえる, “to shiver, to shake, to quake”) and 伸ばす (のばす, “to lengthen, to stretch, to reach out, to grow (beard)”).

震える

ふるえる

to shiver, to shake, to quake

verb

伸ばす

のばす

to lengthen, to stretch, to reach out, to grow (beard)

verb

Theme: Physical ActionsJLPT N3

Why these get confused

How to tell them apart

Anchor on the meaning, not the form. 震える (to shiver, to shake, to quake) and 伸ばす (to lengthen, to stretch, to reach out, to grow (beard)) 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.