efficiently

adv

"efficiently" is a 11-letter English headword indexed on PlainSpell.

The verdict

“efficiently” has 15 generated spelling variants in the English index at frequency #9,739. The variants make it a useful spelling check.

#9,739
frequency rank, English
2,246
“E” headwords
15
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In an efficient manner.

Corpus desk

Index EN-efficiently · efficiently · English

efficiently · rank #9,739 · 15 variants · 2 confusables

  • FREQ-COMMON #9,739
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH Edgar

Nearest frequency peer: Edgar (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “efficiently”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “efficiently” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

efficiently vs efficient
82% similar
efficiently vs efficiency
82% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for efficiently
PropertyValue
Headwordefficiently
LanguageEnglish
Part of speechAdverb
Letters11
Frequency rank#9,739
Misspellings tracked15
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “efficiently”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).efficientlylands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Edgar” (#9,738), “dong” (#9,737), “Elliott” (#9,741). Among 2,246 “E” headwords, “efficiently” is #9,739. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around efficiently, anadverb. Corpus frequency is #9,739 among 2,246 “E” headwords. Dominant gloss: "In an efficient manner.".

Our generated misspelling index lists 15 likely wrong-spelling variants for efficiently, with forms such as "effciiently", "efficciently", and "efficeintly". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "efficient", "efficiency", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From efficient + -ly. The correct English form is efficiently, spelled E-F-F-I-C-I-E-N-T-L-Y.

Definition

  1. 1
    In an efficient manner.

Recorded use

Wiktionary example

These source excerpts show how efficiently appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The second half was a less open affair, in which West Brom grew increasingly and efficiently conservative.

Etymology

From efficient + -ly.

This word in other languages

Common misspellings

Also misspelled as:

  • effciiently
  • efficciently
  • efficeintly
  • efficienlty
  • efficienntly
  • efficientlly
  • efficientlyy
  • efficienttly
  • efficientyl
  • efficietnly
  • efficinetly
  • effiicently
  • eficiently
  • efifciently
  • feficiently

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of efficiently - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

effciiently2efficciently1efficeintly2efficienlty2efficienntly1efficientlly1efficientlyy1efficienttly1
Edit distance from "efficiently"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "efficiently"?
"efficiently" is spelled E-F-F-I-C-I-E-N-T-L-Y.
What does "efficiently" mean?
As an adverb, "efficiently" means: In an efficient manner.
What words are commonly confused with "efficiently"?
"efficiently" is commonly confused with "efficient", "efficiency". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "efficiently"?
From efficient + -ly. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "efficiently", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list