defective vs defensive, What's the Difference?

Which to use

“defective” and “defensive” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#13,494
“defective” frequency rank: #3,747
“defensive” frequency rank: 17241
confusion score

Side-by-Side Comparison

Feature	defective	defensive
Definition	Having one or more defects.	Intended for defence; protective.

Where the spellings diverge

Shared letters are muted; the letters that actually set defective and defensive apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

9 ch

defective

9 ch

defensive

Spelling & Dictionary Insight

A purely visual mix-up. defective (/dɪˈfɛktɪv/) and defensive (/dɪˈfɛn.sɪv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 17241, derived from the frequency rank of both members and their visual similarity.

defective is recorded at frequency rank #13,494, classified as anadj, pronounced /dɪˈfɛktɪv/. defensive is at rank #3,747, tagged as anadj, pronounced /dɪˈfɛn.sɪv/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 17241, this pair ranks #452,708 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of defective vs defensive

Shared letters: defiv. Private to "defective": ct. Private to "defensive": ns.

"defective" · 9 letters · shape CVCVCCVCV · "defensive" · 9 letters · shape CVCVCCVCV

Known mistypes of this pair

defective ← ddefective · deefctive · defcetive · defecctive · defecitve · defectiev · defectivve · defecttive
defensive ← ddefensive · deefnsive · defenisve · defennsive · defensiev · defensivve · defenssive · defensvie

Frequency comparison

defective#13,494

defensive#3,747

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "defective" and "defensive" be used interchangeably?

No. They are said differently (/dɪˈfɛktɪv/ versus /dɪˈfɛn.sɪv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "defective" or "defensive"?

"defensive" is the more common of the two: it sits at frequency rank #3,747 in our English list, against #13,494 for "defective". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering defective vs defensive

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “defective” entry
Browse more pairs most likely to be confused. Most confusable