theism vs this, What's the Difference?

Which to use

“theism” is a noun and “this” is a determiner - they look or sound alike but fill different roles in a sentence.

#47,959
“theism” frequency rank: #15
“this” frequency rank: 47974
confusion score

Side-by-Side Comparison

Feature	theism	this
Definition	Belief in the existence of at least one deity.	The (thing) here (used in indicating something or someone nearby).

Where the spellings diverge

Shared letters are muted; the letters that actually set theism and this apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch

theism

4 ch

this

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: theism is /ˈθiː.ɪz.əm/ while this is /ðɪs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 47974, derived from the frequency rank of both members and their visual similarity.

theism is recorded at frequency rank #47,959, classified as anoun, pronounced /ˈθiː.ɪz.əm/. this is at rank #15, tagged as adet, pronounced /ðɪs/.

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 47974, this pair ranks #197,487 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of theism vs this

Shared letters: hist. Private to "theism": em. Private to "this": -.

"theism" · 6 letters · shape CCVVCC · "this" · 4 letters · shape CCVC

Known mistypes of this pair

theism ← hteism · tehism · theims · theismm · theissm · thesim · thheism · thiesm
this ← htis · thhis · thiss · thsi · tihs · tthis

Frequency comparison

theism#47,959

this#15

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "theism" and "this" be used interchangeably?

No - they are not even the same part of speech. "theism" is a noun and "this" a determiner, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "theism" or "this"?

"this" is the more common of the two: it sits at frequency rank #15 in our English list, against #47,959 for "theism". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering theism vs this

The fastest way to pick the right one every time.

Check the role first: if you need a noun, it's “theism”; for a determiner, it's “this”.
See each word in full, definition, IPA, etymology and its other confusables. Full “theism” entry
Browse more pairs most likely to be confused. Most confusable