Words within words

WHAT IS THE ANIMAL IN    SEPARATE?

WHAT IS THE DRINK IN TEACHER?

WHAT IS THE NUMBER IN SENTENCE/iNTENSITY/EXTENSION?

WHAT IS THE BODY PART IN EARTH?

WHAT ARE THE OBJECTS IN CARPENTER?

WHAT IS THE PRESENT IN SPRING?

WHAT IS THE SUBJECT IN PARTNER?

WHAT IS THE VERB/NOUN IN THEATRE?

SEE ANAGRAMS.
MAKE UP A LIST OF AT LEAST 40 WORDS FROM EACH OF THE ABOVE.
For instance. THEATRE: The, a ,are,tree,three,tee,ear,hear,art,heat,heart,etc...