shortage /ˈʃɔrtəʤ/ /ˈʃɔːtɪdʒ/
deficiency /dɪˈfɪʃnsi/ /dɪˈfɪʃnsi/
dearth /dɜrθ/ /dɜːθ/
shortfall /ˈʃɔːrtfɔːl/ /ˈʃɔːtfɔːl/