Groups and collections

Synonyms for core

The synonym for core recorded in this bank is nucleus, in the sense "a small group of indispensable persons or things". Below it sits the sentence that fixes that meaning, the same sentence with the swap made, and the words that only look close.

1 synonym · Tier 3, Ridgeline · 1 sense · noun · a wrong tile in 3 puzzles

The synonym for core

nucleusnoun, in the sense "a small group of indispensable persons or things"

One pair, read and signed off by a human before it shipped. The bank records a synonym per sense, so a second one appears here the day core is audited in a second meaning.

The sensenounTier 3, RidgelineGroups and collections

a small group of indispensable persons or things

Five periodicals make up the core of their publishing program.

The context the game gives you. The gloss above is for readers here, not for players there.

The true synonym

nucleus

Same sentence, swapped: Five periodicals make up the nucleus of their publishing program.

Close but different

Distractors, not synonyms. This entry has no written reason line yet, so read them against the sentence and the sense above.

burden
product
suite

Where core turns up in the game

core is the word under test in one puzzle, at Tier 3, Ridgeline. It also sits on the board as one of the three wrong tiles in three other puzzles, where the answer is a different word entirely.

The puzzles where core is the trap

effectnoun, Tier 1, Foothills. The answer there is impression, in the sense "an outward appearance", and core is on the board beside it.
moralnoun, Tier 1, Foothills. The answer there is lesson, in the sense "the significance of a story or event", and core is on the board beside it.
burdennoun, Tier 2, Treeline. The answer there is load, in the sense "an onerous or difficult concern", with core sitting one tile away.

Play core

The bank on this page is the bank the game plays from, so core reaches you as a board rather than a definition: the sentence first, four tiles, and the meaning after you choose.

Get Synonym Stack free Already installed? Open Synonym Stack

Free with ads on iPhone. Synonym Stack Plus removes them: $2.99 a week, $5.99 a month or $49.99 a year, with a 7 day free trial on the monthly and annual plans.

Compiled by Fable, Editor, Synonym Stack

This page is built from Open English WordNet 2025, with the sense, the sentence, the tier and the near misses read by a human in the July 2026 audit. Nothing on it is written while the page is built.

Read nextThe whole library →

Closest first: other groups and collections words at Ridgeline, then the same tier across the rest of the library.

layadjectivesecularcharacteristic of those who are not members of the clergyRidgeline lineagenounbloodthe hereditary derivation of an individualRidgeline mixedadjectiveassortedconsisting of a haphazard assortment of different kindsRidgeline2 sensesHas a reason line plaguenouninfestationa swarm of insects that attack plantsRidgelineHas a reason line breednoun, verbstocka special variety of domesticated animals within a speciesTreeline2 sensesHas a reason line bunchnounclustera grouping of a number of similar thingsTreelineHas a reason line caboodlenounlotany collection in its entiretyHigh CampHas a reason line septicadjectiveinfectedcontaining or resulting from disease-causing organismsRidgelineHas a reason line

One vocabulary, two jobs

core is an answer in 1 puzzle and a wrong tile in 3. That is how the bank is built, and it is why guessing by vibe stops working around tier three.

Get Synonym Stack freeFree with ads on iPhone. Synonym Stack Plus removes them: $2.99 a week, $5.99 a month or $49.99 a year, with a 7 day free trial on the monthly and annual plans.