Frequency vs Incidence vs Occurrence vs Prevalence

Quando usar cada um em inglês, com significado, registro e exemplos.

Frequency

Top 2000 (comum) B2 noun

Incidence

Top 3000 (comum) C1 noun

Occurrence

Top 2000 (comum) C1 noun

Prevalence

Formal Acima de 10.000 (menos comum) C1 noun

Mais formal: Prevalence

	Frequency	Incidence	Occurrence	Prevalence
Pronúncia	🇬🇧 /["/ˈfriːkwənsi/"]/ 🇺🇸 /["/ˈfriːkwənsi/"]/	🇬🇧 /["/ˈɪnsɪdəns/"]/ 🇺🇸 /["/ˈɪnsɪdəns/"]/	🇬🇧 /["/əˈkʌrəns/"]/ 🇺🇸 /["/əˈkɜːrəns/"]/	🇬🇧 /["/ˈprevələns/"]/ 🇺🇸 /["/ˈprevələns/"]/
Significado	Com que frequência algo acontece. How often something happens.	A ocorrência de algo, especialmente algo ruim. The occurrence of something, especially something bad.	A forma como algo acontece ou aparece. The way something happens or appears.	O quão comum algo é. How common something is.
Exemplo	The frequency of the class meetings has increased this semester.	an area with a **high incidence** of crime	a **common/everyday/frequent/regular occurrence**	an increase in the prevalence of obesity in many countries
Registro	Neutro	Neutro	Neutro	Formal
Quão comum	Top 2000 (comum)	Top 3000 (comum)	Top 2000 (comum)	Acima de 10.000 (menos comum)
Nível CEFR	B2	C1	C1	C1
Classe gramatical	noun	noun	noun	noun
Colocações	great, increased, increasing, decrease in, increase in, decrease, with frequency, great, increased, increasing, decrease in, increase in, decrease, with frequency, high, low, microwave, range, spectrum, band, high, low, microwave, range, spectrum, band	great, high, peak, have, show, increase, increase, decrease, fall, rate, incidence among, incidence in, a decrease in the incidence of something, an increase in the incidence of something, a variation in the incidence of something	common, everyday, widespread, prevent, reduce, increase, occurrence in, occurrence of, a common occurrence, a regular occurrence, a daily occurrence, common, everyday, widespread, prevent, reduce, increase, occurrence in, occurrence of, a common occurrence, a regular occurrence, a daily occurrence	high prevalence, low prevalence, prevalence rate, increased prevalence, prevalence of disease
Antônimos	infrequency, rarity	nonoccurrence, absence	absence, nonexistence	rarity, uncommonness
Erros comuns	Confusing 'frequency' with 'frequence'., Using 'frequencies' incorrectly in singular contexts., Misplacing the term in sentences regarding time intervals.	Confused with 'incident', which refers to a specific event., Used inappropriately in informal contexts., Incorrect pluralization, saying 'incidences' instead of 'incidents' when referring to events.	Confusing with 'occurring' as a noun., Omitting 'of' when saying 'the occurrence you mentioned'., Using 'occurrence' without context (it needs to relate to something).	Confused with 'prevalent' which is an adjective., Omitting the context when discussing the prevalence (e.g., 'the prevalence of diseases')., Using it in informal speech where simpler terms like 'common' might be better.
Notas de uso	Use 'frequência' ao discutir a ocorrência de eventos. Adequado para contextos acadêmicos ou técnicos; evite em conversas muito informais. Use 'frequency' when discussing how often events occur. Suitable for academic or technical contexts; avoid in very casual conversations.	Comumente usado em contextos científicos, médicos e estatísticos. Evite conversas casuais, pois pode soar excessivamente técnico. Apropriado ao discutir taxas ou frequências de eventos. Commonly used in scientific, medical, and statistical contexts. Avoid casual conversations, as it may sound overly technical. Appropriate when discussing rates or frequencies of events.	Frequentemente usado em contextos falados e escritos. Comum em discussões científicas, acadêmicas ou formais. Evite em conversas casuais onde palavras mais simples podem ser suficientes. Often used in both spoken and written contexts. Common in scientific, academic, or formal discussions. Avoid in casual conversation where simpler words may suffice.	Use 'prevalência' em contextos formais, como escrita académica ou relatórios. Evite em conversas casuais. Implica uma ocorrência estatística ou medida. Use 'prevalence' in formal contexts like academic writing or reports. Avoid in casual conversation. It implies a statistical or measured occurrence.

Veja em clipes reais

- I witnessed a freak occurrence. - What is a miracle, Vincent ?

Occurrence

Perguntas frequentes: Frequency vs Incidence vs Occurrence vs Prevalence

Qual é a diferença entre Frequency, Incidence, Occurrence e Prevalence?

Frequency: How often something happens. Incidence: The occurrence of something, especially something bad. Occurrence: The way something happens or appears. Prevalence: How common something is.

Qual é mais formal: Frequency, Incidence, Occurrence e Prevalence?

Prevalence é a mais formal entre elas.

Frequency, Incidence, Occurrence e Prevalence estão no mesmo nível CEFR?

Frequency: B2, Incidence: C1, Occurrence: C1, Prevalence: C1 na escala CEFR.

Que classe gramatical são Frequency, Incidence, Occurrence e Prevalence?

Frequency: noun, Incidence: noun, Occurrence: noun, Prevalence: noun.

Pode mostrar um exemplo de cada?

Frequency: The frequency of the class meetings has increased this semester. Incidence: an area with a **high incidence** of crime Occurrence: a **common/everyday/frequent/regular occurrence** Prevalence: an increase in the prevalence of obesity in many countries

Posso usar Frequency, Incidence, Occurrence e Prevalence de forma intercambiável?

Nem sempre. Frequency, Incidence, Occurrence e Prevalence são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.