Psalm - /sɑːm/ (silent 'p')
Sand - /sænd/ (initial /s/ sound)
Shall - /ʃæl/ (initial /ʃ/ sound)
Palm - /pɑːm/ (initial /p/ sound)
Page - /peɪdʒ/ (initial /p/ sound)

The word curve begins with the voiceless velar plosive consonant sound /k/. Among the given options, colonel is the only word that also begins with the /k/ sound (pronounced as /ˈkɜːrnl/). Even though it is spelled with a 'c', it shares the same initial phoneme as "curve".

The word "game" starts with the hard /g/ sound. Among the options, goat has the same initial consonant sound /g/. Giant, general and gentle start with a soft 'g' sound, which is pronounced as /dʒ/.