Plurals in OET Writing Sub Test

The use of plurals in OET writing plays a very important role.  Generally, we add -s to the ending of the word to make it plural but not all the words take -s at the ending of the words. For example, the plural of joint will be joints, the plural of appointment will be appointments. 

We also add -es to make plurals. 

For instance: 

Syringe - Syringes 
Cortex - Cortexes (or also cortices) 

But, certain medical English will have words that follow different rules when it comes to formation of the plurals from singulars.

For example: 

The word stratum is singular. But, you can't add -s to the ending of the word to make it plural. 

Stratums (it is wrong)
Strata (it is plural and it is correct) 

Similarly, we say foot and its plural can’t be foots. It is feet. 

But, still there are many candidates who commit these simple mistakes. As a medical professional, it is important that you should clearly define the situation, the health conditions of the patient, communicate the information correctly, etc. 

Following are a few of the singulars and their plurals.  

Acetabulum - Acetabula 
Larva - Larvae 
Chorda - Chardae
Varix - Varices 
Fungus - Fungi 
Fibula - Fibulae 
Glomerulus - Glomeruli
Abscess - Abscesses 
Bulla - Bullae 
Calculus - Calculi 
Esophagus - Esophagi 
Atrium - Atria
Pons - Pontes 
Bacillus - Bacilli 
Larynx - Larynges 
Biopsy - Biopsies  
Ovum - Ova 
Axilla - Axillae 
Pleura - Pleurae 
Diagnosis - Diagnoses 
Humerus - Humeri  
Ganglion - Ganglia 
Conjunctiva - Conjunctivae 
Villus - Villi 
Fibroma - Fibromata 
Vertebra - Vertebrae
Bout - Bouts  
Thorax - Thoraces 
Apex - Apices 
Sarcoma - Sarcomata 

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