Y09W13VC Word Roots — -val/-vail- (worth/prevail)

To assess or judge the quality, value or significance of something carefully and systematically.

Word Breakdown: e- (prefix variant of ex-, meaning 'out' or 'thoroughly') + -val- (root meaning 'worth') + -ate (suffix forming a verb)

Example: Students must evaluate the reliability of each source before incorporating it into their argument.

Synonyms: assess, judge, appraise

Collocations: evaluate the evidence, evaluate the argument, critically evaluate

Widely occurring, existing or accepted across a particular group, area or period of time.

Word Breakdown: pre- (prefix meaning 'before' or 'throughout') + -val- (root meaning 'strong' or 'prevailing') + -ent (suffix meaning 'characterised by')

Example: Misinformation about climate change remains prevalent in online communities despite widespread scientific consensus.

Synonyms: widespread, common, pervasive

Collocations: prevalent in, highly prevalent, increasingly prevalent

Able to be used, obtained or accessed; present and ready for use.

Word Breakdown: a- (prefix variant of ad-, meaning 'toward') + -vail- (root meaning 'to be strong' or 'to prevail') + -able (suffix meaning 'capable of')

Example: The range of evidence available to researchers has expanded dramatically with the digitisation of historical archives.

Synonyms: accessible, obtainable, at hand

Collocations: readily available, available evidence, make available

A subtle difference in meaning, expression or understanding; a fine distinction that adds depth and precision.

Word family: nuanced (adj.)

Example: A skilled writer uses nuance to convey the complexity of a character's motivations rather than presenting them as simply good or evil.

Synonyms: subtlety, shade, distinction

Collocations: fine nuance, with nuance, lack of nuance

The quality of being delicate, not obvious or hard to detect; requiring careful attention to be understood.

Word family: subtle (adj.), subtly (adv.)

Example: The subtlety of the author's irony means that careless readers may entirely miss the satirical intent.

Synonyms: delicacy, refinement, nuance

Collocations: with great subtlety, the subtlety of, lack subtlety

The quality of being intricate, multi-layered or difficult to understand because of many interconnected parts.

Word family: complex (adj.), complexities (n. pl.)

Example: The complexity of the refugee crisis cannot be captured in a single statistic or policy response.

Synonyms: intricacy, depth, difficulty

Collocations: acknowledge the complexity, moral complexity, inherent complexity

The quality of being open to more than one interpretation; uncertainty arising from more than one possible meaning.

Word family: ambiguous (adj.), ambiguously (adv.)

Example: The deliberate ambiguity of the ending leaves readers to draw their own conclusions about the protagonist's fate.

Synonyms: uncertainty, vagueness, double meaning

Collocations: deliberate ambiguity, embrace ambiguity, resolve ambiguity

A statement or situation that appears contradictory or impossible but may, on closer examination, contain a deeper truth.

Word Breakdown: para- (prefix meaning 'beside', 'against' or 'contrary to')

Word family: paradoxical (adj.), paradoxically (adv.)

Example: It is a paradox of modern life that people who are more connected digitally often report feeling more isolated.

Synonyms: contradiction, irony, puzzle

Collocations: apparent paradox, the paradox is, paradox of

Used in academic writing to signal that careful analysis has uncovered something significant, hidden or non-obvious.

Example: The language choices in the opening chapter are carefully controlled; this reveals the author's desire to position the reader sympathetically.

Synonyms: this uncovers, this exposes, this demonstrates

Collocations: this reveals that, this reveals how, this reveals a tension