deficiency /dɪˈfɪʃnsi/ /dɪˈfɪʃnsi/
imperfection /ˌɪmpərˈfɛkʃən/ /ˌɪmpəˈfɛkʃən/
inadequacy
shortcoming /ˈʃɔːrtkʌmɪŋ/ /ˈʃɔːtkʌmɪŋ/
dearth /dɜrθ/ /dɜːθ/