Mastering spelling in the English language is not an easy job. There are tons of grammar rules which can sometimes be difficult to remember. Words with double consonants are always a cause of confusion. Speaking of that, how do you spell controller?
Is it with a single l or a double l? Learn the correct spelling of the term and its usage in this article.
Controller Vs. Controler — Which Is Correct?
Controller with double l is the correct spelling of the word, while controler is just a misspelled variation. The correct spelling has 2 Ls in it.
A controller is a person responsible for a particular organization or is in charge of financial affairs in a corporation. The director of any learning center could be an example of a controller.
Origin of the term ‘Controller.’
‘Controller‘ originated from the Middle English countreroller, meaning “keep a copy of the roll of accounts.” This was derived from the Anglo-Norman contreroulour and MiddleFrench contreroleur. This can be traced back to Medieval Latin contrārotulātor. The surface analysis of control would give us control + (-er).
How Do You Spell Controller?
‘Controller’ has 3 syllables, con-trol-ler, with the stress on the second syllable. This 10-lettered word is spelled as C-O-N-T-R-O-L-L-E-R with 3 vowels and 7 consonants.
Based on the dictionary, the phonetic transcription of ‘controller’ is /kənˈtrəʊlə/. The Americans pronounce it as [kuhn·trow·lr] with a prominent R sound at the end. However, the British prefer it as [kuhn·trow·luh] with a soft schwa sound at the end.
The base word of ‘controller’ is control, and if we apply the rule below, the spelling becomes easier.
Rule: If a word is multi-syllable with the stress on the last syllable, we double the final consonant before adding a vowel suffix.
Control (base word) + er (suffix) = Controller
Definition of Controller With Example Sentences
‘Controller’ functions as a noun in the parts of speech. It refers to a person or device that directs, regulates, or refrains something. Essentially, it means a person, typically a chief accounting officer, who oversees the finances of a business enterprise or institution.
- The Financial Controller’s office is on the second floor.
- Install the disk controller first for the disk drives to work.
- She is the new program controller for our agency.
- An air traffic controller needs to make quick decisions.
- The new controller for the video game is well-designed.
The Bottom Line
‘Controller’ with 2 Ls is the only standardized spelling in the English dictionary. The rule is to split ‘controller’ in its root word ‘control,‘ and double the ‘l‘ before adding the vowel suffix ‘-er.’ Refer to this article any time you need help with the correct spelling, pronunciation, meaning, or example sentences for ‘Controller.’
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