Similar to 掌中の一羽は叢中の二羽に値する

Don't judge a book by its cover

Idiom (language structure)

Phraseme

Lexeme

Closed class

Open class (linguistics)

Grammaticalization

An apple a day keeps the doctor away

Think of the children

The road to hell is paved with good intentions

A rolling stone gathers no moss

Time is money (aphorism)

The pen is mightier than the sword

Banned in Boston

Morphosyntactic alignment

Agreement (linguistics)

Phono-semantic matching

Grammatical conjugation

Declension

Lexicon

Word stem

Desinence

Consonant gradation

Clitic

Contraction (grammar)

Morphological derivation

Marker (linguistics)