C. comer – Stress pattern differs. "Under," "behind," and "tutor" are stressed on the first syllable, while "comer" is stressed on the second syllable.

A. ordinal – Stress pattern differs. "Calendar," "bicycle," and "tomorrow" have stress on the first syllable, while "ordinal" has stress on the second syllable.

B. grandmother – Stress pattern differs. "Vehicle," "correct," and "happiness" are stressed on the first syllable, while "grandmother" has primary stress on the first syllable but secondary stress on the second.

B. dessert – Stress pattern differs. "Birthday," "worried," and "cupboard" have primary stress on the first syllable, while "dessert" has stress on the second syllable.

B. stressful – Stress pattern differs. "Secret," "normal," and "honest" have stress on the first syllable, while "stressful" has stress on the second syllable.

D. confuse – Stress pattern differs. "Affair," "jealous," and "pretty" have stress on the first syllable, while "confuse" has stress on the second syllable.

C. faithfully – Stress pattern differs. "Loyal," "excited," and "delighted" have stress on the first syllable, while "faithfully" has stress on the second syllable.

B. manage – Stress pattern differs. "Relaxing," "open," and "follow" have stress on the first syllable, while "manage" has stress on the second syllable.

B. silent – Stress pattern differs. "Suggest," "remain," and "explain" have stress on the second syllable, while "silent" has stress on the first syllable.

Since there's only one option provided, "suppose," there’s no comparison possible here