"internal organs"
"internal mechanism of a toy"
"internal party maneuvering"

"intragroup squabbling within the corporation"

"the British Home Office has broader responsibilities than the United States Department of the Interior"
"the nation's internal politics"

"Beethoven's manuscript looks like a bloody record of a tremendous inner battle"
"she thinks she has no soul, no interior life, but the truth is that she has no access to it"
"an internal sense of rightousness"

"the inner logic of Cubism"
"the internal contradictions of the theory"
"the intimate structure of matter"