IPA: /ˈdɒkjʊˌmɛntəbl/
KK: /ˈdɑːkjʊˌmɛntəbl/
Describing something that can be recorded or written down in a formal way.
The research findings are documentable and can be shared with the scientific community.
Documentable → It is formed from "document" (from Latin "documentum", meaning a lesson or proof) and "-able" (meaning capable of). The word "documentable" means capable of being documented or able to be recorded as evidence.
Think of something that is 'capable of being recorded' — 'document' refers to proof or evidence, and '-able' means it can be done.
No commonly confused words.