proficiency _noun

ADJECTIVES

advance, considerable, great, high • low
・His low proficiency in Spanish limits his ability to hold conversations.

intermediate, sufficient, adequate, reasonable
・He developed sufficient proficiency in coding for basic projects.

basic, limited
・With limited proficiency in skiing, he opted for beginner slopes.

academic, linguistic, musical, mathematical, technical, computer
・His musical proficiency earned him a spot in the orchestra.

language, reading, written, oral
・My written proficiency impressed the professor.

cycling, skiing, etc. 
・Her cycling proficiency improved after joining the local club.

VERBS

acquire, achieve, attain, gain, develop, reach
・She achieved a high level of language proficiency after years of study.

improve, increase, enhance
・Regular practice can improve proficiency in any skill.

demonstrate, show, prove 
・His confident presentation skills proved his proficiency in communication.

assess, test
・Teachers use various methods to test students' proficiency.

strive for • settle for 
・He strives for proficiency in data analysis.

NOUNS

examination, test
・He had to take a proficiency test before starting the job.

certificate
・After passing the exam, she received a proficiency certificate in accounting.

assessment, evaluation
・The proficiency assessment revealed areas where they needed further training.

level
・She has reached an intermediate proficiency level in French.

PREPOSITIONS

in
・She gained proficiency in multiple programming languages.

PHRASES

a degree/level/standard of proficiency
・The company sets a high standard of proficiency for all employees.

proficiency and knowledge/experience
・Proficiency and knowledge are essential for success in any field.