Proficiency in
Synonyms for Proficiency in
- familiarity
- insight into
- knowledge of
- understanding of
- comprehension of
- grasp of
- skill in
- expertise in
- skill with
- mastery of
- cognizance of
- acquaintance
- understanding
- experience of
- experience with
- awareness of
- acquaintance with
For more similar words, try Proficiency in on Thesaurus.plus dictionary