Y09W35VC Word Roots — -domin- (master/rule)
The root -domin- comes from Latin and carries the core meaning of 'master' or 'to rule'. It appears in words that describe power, control and the capacity to influence or govern others. Understanding this root helps students recognise a significant family of terms used in political science, social analysis and everyday formal language. This module explores six Academic Vocab words alongside three further examples in the Word Families section.
Word Families
These three word-family examples show how -domin- carries the idea of 'master/rule' into more complex words. Notice how the shared root can help you unlock meaning and use each word more accurately in academic writing.
dominate
/ˈdɒmɪneɪt/
dom‑i‑nate
verb | [dominate – dominated – dominated]
To have the most power or influence over something; to be the most important or noticeable element.
Word Breakdown: -domin- (root meaning 'master' or 'rule') + -ate (suffix meaning 'to cause or bring about')
Example: Western philosophical traditions have dominated academic discourse in ways that marginalise non-Western ways of knowing.
Synonyms: control, rule, prevail
Collocations: dominate the conversation, dominate the market, dominate discourse
predominant
/prɪˈdɒmɪnənt/
pre‑dom‑i‑nant
adjective
Present or holding power as the strongest or most significant element; most common or influential.
Word Breakdown: pre- (prefix meaning 'before' or 'above all') + -domin- (root meaning 'rule') + -ant (suffix meaning 'characterised by')
Example: The predominant view among researchers is that early childhood intervention produces the highest long-term educational return.
Synonyms: leading, primary, overriding
Collocations: predominant view, predominant culture, remain predominant
dominion
/dəˈmɪniən/
do‑min‑ion
noun
Power, authority or control over a domain or territory; sovereignty over a place or group.
Word Breakdown: -domin- (root meaning 'master' or 'rule') + -ion (suffix forming a noun)
Example: The colonial project was predicated on the assertion of dominion over land and peoples that had their own systems of governance.
Synonyms: control, authority, sovereignty
Collocations: exercise dominion, assert dominion, dominion over
Academic Vocab
elaborate
/ɪˈlæbəreɪt/
e‑lab‑o‑rate
verb | [elaborate – elaborated – elaborated]
To develop an idea or explanation in greater detail; to add more information or complexity.
Word Breakdown: -ate (suffix meaning 'to cause or develop')
Word family: elaboration (n.), elaborate (adj.)
Example: The researcher elaborated on the initial hypothesis, providing three case studies that each tested a different aspect of the claim.
Synonyms: develop, expand on, explain further
Collocations: elaborate on, elaborate the point, elaborate in detail
expand
/ɪkˈspænd/
ex‑pand
verb | [expand – expanded – expanded]
To make something larger or more extensive; to develop an idea more fully.
Word family: expansion (n.), expansive (adj.)
Example: In the following section, the author expands on her argument, drawing on additional empirical evidence from comparative studies.
Synonyms: develop, extend, broaden
Collocations: expand on, expand the argument, expand the scope
extend
/ɪkˈstɛnd/
ex‑tend
verb | [extend – extended – extended]
To make something longer, wider or more comprehensive; to continue or stretch something further.
Word family: extension (n.), extensive (adj.)
Example: This essay extends the existing scholarship by applying the theoretical framework to a previously unexamined case study.
Synonyms: develop, continue, broaden
Collocations: extend the argument, extend further, extend beyond
develop
/dɪˈvɛləp/
de‑vel‑op
verb | [develop – developed – developed]
To grow or cause something to grow more advanced, complete or complex.
Word family: development (n.), developed (adj.)
Example: The writer develops the central theme of isolation through a series of increasingly confined settings.
Synonyms: build, grow, advance
Collocations: develop an argument, develop the idea, further develop
explore
/ɪkˈsplɔː/
ex‑plore
verb | [explore – explored – explored]
To examine or investigate something thoroughly; to consider different aspects of an idea or topic.
Word family: exploration (n.), exploratory (adj.)
Example: The essay explores the tension between individual freedom and collective responsibility through a series of case studies.
Synonyms: examine, investigate, consider
Collocations: explore the idea, explore the tension, fully explore
to elaborate
/tə ɪˈlæbəreɪt/
to e‑lab‑o‑rate
phrase
Used in academic writing to signal that the previous point will now be developed in greater detail.
Example: The argument hinges on the concept of structural disadvantage; to elaborate, this refers to the ways in which social systems systematically produce unequal outcomes.
Synonyms: to expand, to develop, to explain further
Collocations: to elaborate on this, to elaborate further, to elaborate the point
Confusing Words
composed of vs comprised of
These two phrases are frequently confused because they describe similar relationships between a whole and its parts, but they work differently grammatically.
- composed of — composed of correctly used to say that a whole is made up of its constituent parts — 'composed of' takes the parts as its object; for example, ‘The committee is composed of representatives from each state and territory.’
- comprised of — comprised of technically, 'comprise' means to consist of — so the whole 'comprises' (includes) the parts, not the other way around. The phrase 'comprised of' is widely used but is considered non-standard in formal writing.; for example, ‘The committee comprises representatives from each state and territory.’
Memory rule: In formal academic writing, use 'composed of' or 'consists of' to say a whole is made up of its parts. Use 'comprises' to say a whole includes its parts (without 'of'). Avoid 'comprised of' in formal contexts. The safest option: 'consists of' works in all situations and raises no grammatical concerns.
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