Here are the possible solutions for engagement gift both words suit this puzzle's theme clue
Answer
Clue
Relevancy
diamondring
Clue
Engagement gift (both words suit this puzzle's theme)
info
Clue
Theme word inside this puzzle's theme words
Definition
(short for) information
four
Clue
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Definition
the cardinal number next above three
diy
Clue
"Home work" letters that appear at both ends of this puzzle's theme answers
falsestart
Clue
Athletic infraction ... or what occurs at the beginning of this puzzle's four theme answers, both across and down
fishheads
Clue
Certain soup flavorers, or what both halves of this puzzle's seven theme entries can be?
musicalscale
Clue
Parts of it appear at both the starts and ends of this puzzle's eight theme phrases
sock
Clue
Bit of footwear that appears at both ends of this puzzle's theme answers