Answer:
. The two spelling words in which "dge" creates the /j/ sound are "acknowledge" and "judge."
2. The word that begins with the digraph "gu" and ends with double "e" is "guarantee."
3. The silent letter in the word "wholly" is the "w."
4. The words that end in the digraph "mn" and are pronounced /m/ are "condemn" and "solemn."
5. The word that ends with the digraph "mb" and is pronounced /m/ is "comb."
6. The words with a silent "b" followed by a pronounced "t" are "debt," "doubt," and "subtle."
7. The words that begin with "acqu" are "acquaint" and "acquire."
8. The words with three different spellings of the sound /er/ are "annihilate" (ah-NYE-uh-late), "colonel" (KERN-uhl), and "pneumonia" (noo-MOH-nee-uh).
9. The words that begin with the digraphs "wr" and "wh" where the "w" is not pronounced are "write" and "who."
10. The words that begin with the digraphs "pn" and "ps" where the "p" is not pronounced are "knee" and "psychology."
11. The word in which "gn" spells /nyah/ is "gnat."
12. The word with a silent "t" that is related to the word "mortuary" is "mortgage."
13. The word that begins with the digraph "sc" and is pronounced /s/ is "scissors."
14. The word with the silent "s" that is a homonym of "I'll" is "aisle."
15. The word in which /ite/ is spelled "ict" is "indict."