Bedrock and Nitty-gritty

Bedrock noun - An immaterial thing upon which something else rests.

Nitty-gritty and bedrock are semantically related. in core topic. In some cases you can use "Nitty-gritty" instead a noun "Bedrock".

Nitty-gritty noun - The specific practical details of something.

Bedrock and nitty-gritty are semantically related. Sometimes you can use "Bedrock" instead a noun phrase "Nitty-gritty".