loha

loha — iron ores; SB 2.6.5
rasa-loha-mṛdaḥ — honey, gold and earth; SB 2.6.25
loha-vat — like iron; SB 4.11.17
loha-mayyā — made of iron; SB 5.26.20
loha-mayaiḥ — made of iron; SB 10.36.19
loha-vana — to Lohavana; CC Madhya 18.67